AITS Test - 06 for Physics, Chemistry, Biology
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Questions and Answers

What is the relationship between the time period (T) of a simple pendulum and the density (th) of the liquid in which it is immersed?

  • The time period is directly proportional to the square root of the density of the liquid.
  • The time period is directly proportional to the density of the liquid.
  • The time period is inversely proportional to the square root of the density of the liquid. (correct)
  • The time period is independent of the density of the liquid.
  • If the density of the liquid is doubled, how does the time period of the simple pendulum change?

  • The time period is doubled.
  • The time period is quadrupled.
  • The time period is halved. (correct)
  • The time period remains the same.
  • What is the oxidation state of 'A' in the new compound 'X' if 2 moles of A2B4 lost 16 moles of electrons?

  • +5 (correct)
  • -2
  • +2
  • +3
  • Which electron transition corresponds to the emission of light with the shortest wavelength?

    <p>From n = 1 to n = ∞ (B)</p> Signup and view all the answers

    Which of the following properties generally decrease down a group in the periodic table?

    <p>Electronegativity (A), Ionization energy (B), Atomic radius (C), Electron gain enthalpy (D)</p> Signup and view all the answers

    Which compound would give 5-Keto-2-methyl hexanal upon ozonolysis?

    <p>2-methyl-3-hexene (C)</p> Signup and view all the answers

    Which statement is incorrect regarding skeletal muscle shortening during contraction?

    <p>The A-band shortens. (D)</p> Signup and view all the answers

    Which feature is not associated with the pons?

    <p>It controls voluntary muscle movements. (A)</p> Signup and view all the answers

    Which of the following statements about endocrine glands is correct?

    <p>Endocrine glands only produce hormones. (A)</p> Signup and view all the answers

    Which statement regarding the structural features of epithelial tissues is incorrect?

    <p>Simple epithelium is composed of multiple layers of cells. (D)</p> Signup and view all the answers

    What is the primary function of the tubular cells during urine formation?

    <p>They secrete H+, K+, and NH3 in the filtrate. (D)</p> Signup and view all the answers

    Which of the following statements about chloroplasts is correct?

    <p>The membrane of chloroplasts is responsible for trapping light energy. (B)</p> Signup and view all the answers

    What term describes the ability of plants to form different structures in response to environmental changes?

    <p>Plasticity (B)</p> Signup and view all the answers

    Which of the following pairs is mismatched regarding conversions in glycolysis?

    <p>Glucose into glucose-6-phosphate : ATP is formed (B)</p> Signup and view all the answers

    Which group of the kingdom Protista is primarily photosynthetic?

    <p>Chrysophytes (C)</p> Signup and view all the answers

    Which pigment is a major component of red algae?

    <p>Phycoerythrin (A)</p> Signup and view all the answers

    Which hormone is responsible for hastening fruit ripening?

    <p>Ethylene (D)</p> Signup and view all the answers

    What is the function of cytokinins in plants?

    <p>Promote nutrient mobilization (C)</p> Signup and view all the answers

    What characteristic distinguishes the Euglenoids from other Protista members?

    <p>Ability to photosynthesize (A)</p> Signup and view all the answers

    What is one characteristic of the leptotene stage of meiosis I?

    <p>Chromosomes become visible under the light microscope. (A)</p> Signup and view all the answers

    Which product is formed from CO2 fixation in mesophyll cells of C4 plants?

    <p>OAA (A)</p> Signup and view all the answers

    Which of the following statements about the roles of coenzymes and electron carriers is correct?

    <p>Coenzymes can also function as final hydrogen acceptors. (C)</p> Signup and view all the answers

    Match the stages of meiosis with their correct descriptions.

    <p>Diakinesis - Dissolution of the synaptonemal complex (C), Zygotene - Formation of the synaptonemal complex (D)</p> Signup and view all the answers

    Which of the following pairs does not belong to the same order?

    <p>Gibbon (B)</p> Signup and view all the answers

    What is the incorrect match regarding cell shapes?

    <p>Spherical bacterial cells - Rod-shaped (A)</p> Signup and view all the answers

    Which of the following occurs during the diplotene stage of meiosis I?

    <p>Chiasmata begin to separate (B)</p> Signup and view all the answers

    In which stage of meiosis does the synaptonemal complex form?

    <p>Zygotene (A)</p> Signup and view all the answers

    In dicot leaves, what structures surround the vascular bundles?

    <p>Bundle sheath cells (C)</p> Signup and view all the answers

    What is the process of breaking C-C bonds of complex compounds in respiration termed?

    <p>Respiration oxidation (B)</p> Signup and view all the answers

    Which scientist discovered that the green parts of plants are involved in glucose production?

    <p>Julius von Sachs (D)</p> Signup and view all the answers

    Which of the following statements is incorrect regarding plant growth regulators?

    <p>Cytokinins were discovered before auxins (A)</p> Signup and view all the answers

    What happens in racemose type of inflorescence?

    <p>Main axis continues to grow (A)</p> Signup and view all the answers

    Which statement about inflorescence is correct?

    <p>The arrangement of flowers on the floral axis defines inflorescence (A)</p> Signup and view all the answers

    Which option correctly matches a scientist to their discovery regarding plant processes?

    <p>Julius von Sachs - Photosynthesis (D)</p> Signup and view all the answers

    Which statement is true regarding the oxidation of compounds in respiration?

    <p>Respiratory substrates are oxidized during respiration (C)</p> Signup and view all the answers

    Which of the following is incorrectly associated with actinomorphic flowers?

    <p>Chilli (A)</p> Signup and view all the answers

    What is the correct role of bulliform cells in plants?

    <p>They help reduce water loss by curling leaves. (B)</p> Signup and view all the answers

    Which statement about the movement of protons during the electron transport chain is true?

    <p>Protons move from intermembranal space to mitochondrial matrix. (C)</p> Signup and view all the answers

    Which of the following is true regarding the assertion and reason about cell growth in plants?

    <p>Both Assertion (A) and Reason (R) are true, and Reason is the correct explanation. (D)</p> Signup and view all the answers

    In the context of hypogynous flowers, which of the following statements is correct?

    <p>There are four examples of hypogynous flowers. (D)</p> Signup and view all the answers

    Which of the following statements is incorrect regarding NAD+ during respiration in plants?

    <p>It exclusively supports anaerobic respiration. (B)</p> Signup and view all the answers

    Which group contains only actinomorphic flowers?

    <p>Mustard, China Rose, Rose (A)</p> Signup and view all the answers

    Which function does NOT pertain to bulliform cells?

    <p>Promoting nutrient absorption. (C)</p> Signup and view all the answers

    Flashcards

    Plasticity in plants

    The ability of plants to form different structures in response to environmental changes or life phases.

    Chloroplast function

    Chloroplasts trap light energy for photosynthesis and contain structures called grana.

    Glycolysis conversions

    The process where glucose is broken down into pyruvate, involving ATP utilization and production.

    Phycoerythrin

    A major pigment found in red algae that captures light for photosynthesis.

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    Characteristics of Protista

    Members of this kingdom vary, with many being photosynthetic and some possessing silica cell walls.

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    Auxins

    Plant hormones that promote growth by elongating cells.

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    Gibberellins

    Plant hormones that regulate growth, including fruit and seed development.

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    Cytokinins

    Hormones that promote cell division and growth in plants, especially in roots.

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    Cycas

    A genus of plants known for their large, fern-like leaves and importance in cycads.

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    Pseudocoelomate

    Organisms with a body cavity not completely lined by mesoderm, such as Aschelminthes.

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    Sequoia

    A genus of giant trees known for their height and longevity, commonly found in North America.

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    Skeletal muscle contraction

    The I-band shortens, A-band remains constant, and H-zone narrows during muscle contraction.

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    Pons functions

    Serves as a neural link between various brain parts and moderates respiratory rhythm.

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    Bulliform cells

    Specialized epidermal cells in plant leaves that manage water loss by curling leaves.

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    Hypogynous flowers

    Flowers with a superior ovary, where other floral parts are attached below the ovary.

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    Endocrine glands function

    Endocrine glands secrete hormones and various enzymes into the bloodstream.

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    Compound epithelium

    A type of epithelium that covers surfaces like skin and cavities with multiple cell layers.

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    FADH2 donation

    The process in the electron transport chain where FADH2 donates electrons for ATP production.

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    Assertion and Reason in Biology

    A common method to evaluate scientific statements, where Assertion states a fact and Reason explains it.

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    Role of NAD+

    A coenzyme that functions as an electron carrier during respiration, crucial for energy production.

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    Turgidity in plant cells

    The state of being swollen with water, which allows plant cells to maintain structure and support.

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    Dicot Leaf Structure

    In dicot leaves, vascular bundles are surrounded by thick-walled cells.

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    Assertion and Reason

    Assertion (A) is true; Reason (R) is a correct explanation when both are true.

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    Inflorescence

    The arrangement of flowers on the floral axis.

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    Respiration Process

    Breaking C-C bonds during oxidation releases energy.

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    Glucose Production

    Green parts in plants produce glucose, stored as starch.

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    Plant Growth Regulators

    Chemical substances that control plant growth.

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    Auxin Discovery

    Auxin was isolated from oat seedling tips by F.W. Went.

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    Fungal Pathogen

    Gibberella fujikuroi causes 'bakanae' disease in rice seedlings.

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    Pyruvic Dehydrogenase

    An enzyme that catalyzes the conversion of pyruvate to acetyl-CoA.

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    Final Hydrogen Acceptor

    The molecule that receives electrons and protons at the end of the electron transport chain.

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    Leptotene Stage

    The first stage of prophase I in meiosis where chromosomes begin to condense.

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    CO2 Fixation in C4 Plants

    The process where CO2 is converted into a four-carbon compound, mainly OAA.

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    Synaptonemal Complex

    A protein structure that forms between homologous chromosomes during meiosis.

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    Chiasmata

    Points where homologous chromosomes exchange genetic material during meiosis.

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    Cell Shapes

    Different types of cells have distinct shapes that relate to their function.

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    Tetrad Formation

    The structure formed when homologous chromosomes pair up during meiosis.

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    Oxidation state of A in compound X

    The oxidation state of element A in the new compound X is +5.

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    Periodic table trends

    Properties that generally decrease down a group are atomic radius and electronegativity.

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    Electron transition minimum wavelength

    The transition from n = 1 to n = ∞ has the minimum wavelength.

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    Transition sequence with energy

    The transition from n = 1 to n = 6 is higher energy than from n = 2 to n = 5.

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    5-Keto-2-methyl hexanal

    This compound can be obtained via ozonolysis of a specific precursor compound.

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    Electronegativity trend

    Electronegativity generally increases across a period in the periodic table.

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    Electron gain enthalpy

    Electron gain enthalpy often becomes more negative across a period.

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    Compound formation process

    New compounds form through chemical reactions rearranging atoms and electrons.

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    Study Notes

    All India Test Series (AITS) Test Details

    • Test Code: ANA/06
    • Test Name: AITS Test - 06
    • Duration: 200 minutes
    • Date: 03/03/2024
    • Maximum Marks: 720
    • Topics Covered: Full syllabus of Physics, Chemistry, Botany, and Zoology

    General Instructions

    • Fill in particulars on the test booklet.
    • Test duration: 3 hours and 20 minutes
    • 200 multiple-choice questions (4 options, 1 correct) from Physics, Chemistry, Botany, and Zoology.
    • Each subject has 50 questions, divided into two sections (A & B) with 35 questions in each subject for Section A, and 15 questions for Section B.
    • Section B requires 10 out of 15 questions to be attempted.
    • Only one correct response per question
    • Correct answer = 4 marks, Wrong answer = -1 mark

    OMR Instructions

    • Use dark ink pens (blue/black ballpoint)
    • Fill full bubbles completely
    • Do not use pencils or whiteners
    • Write only within the marked areas to avoid errors during scanning
    • Multiple markings are invalid

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    Description

    Prepare for the AITS Test - 06 covering the complete syllabus of Physics, Chemistry, Botany, and Zoology. This extensive test consists of 200 multiple-choice questions designed to assess your knowledge across these subjects. With a total duration of 200 minutes, it's a critical assessment for aspiring students.

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