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Questions and Answers
What is the total number of questions in the NSAT-2023 Class XI exam paper?
What is the total number of questions in the NSAT-2023 Class XI exam paper?
- 40 (correct)
- 30
- 160
- 80
How many marks are allotted for each correct response to the questions?
How many marks are allotted for each correct response to the questions?
- +3
- +1
- +2
- +4 (correct)
What is the maximum total marks for the NSAT-2023 Class XI exam paper?
What is the maximum total marks for the NSAT-2023 Class XI exam paper?
- 160 (correct)
- 120
- 80
- 40
How many parts are there in the NSAT-2023 Class XI question paper?
How many parts are there in the NSAT-2023 Class XI question paper?
Which pen should be used to write particulars and mark answers on the answer sheet?
Which pen should be used to write particulars and mark answers on the answer sheet?
What is the maximum time duration allotted for the NSAT-2023 Class XI exam?
What is the maximum time duration allotted for the NSAT-2023 Class XI exam?
What is the name of the chemical process by which cells acquire and use energy to synthesize, store, degrade and eliminate substances?
What is the name of the chemical process by which cells acquire and use energy to synthesize, store, degrade and eliminate substances?
Who first proposed the term 'Taxonomy'?
Who first proposed the term 'Taxonomy'?
Match the following:
Column I (Group of bacteria) - Column II (Their shape)
a. Coccus
b. Bacillus
c. Spirillum
d.
Match the following: Column I (Group of bacteria) - Column II (Their shape) a. Coccus b. Bacillus c. Spirillum d.
Which of the following is not a characteristic of the NSAT - 2023 Class XI TO XII-PCB exam?
Which of the following is not a characteristic of the NSAT - 2023 Class XI TO XII-PCB exam?
What is the purpose of the signatures collected in the exam?
What is the purpose of the signatures collected in the exam?
What is the main reason for the highly resistant nature of endospores?
What is the main reason for the highly resistant nature of endospores?
What is the swollen leaf base in some legumes called?
What is the swollen leaf base in some legumes called?
Which type of inflorescence is characterized by acropetal arrangement of flowers on the peduncle?
Which type of inflorescence is characterized by acropetal arrangement of flowers on the peduncle?
Where do stilt roots usually develop from?
Where do stilt roots usually develop from?
In which type of organisms do ribosomes participate in protein synthesis?
In which type of organisms do ribosomes participate in protein synthesis?
What are the subunits of 80S ribosomes?
What are the subunits of 80S ribosomes?
What is the atomic weight of element A?
What is the atomic weight of element A?
Which ion among the following could exhibit pπ - dπ overlap?
Which ion among the following could exhibit pπ - dπ overlap?
What is the uncertainty in the position of a ball with a mass of 200 gm moving at 10 ms-1 if the velocity measurement error is 0.1%?
What is the uncertainty in the position of a ball with a mass of 200 gm moving at 10 ms-1 if the velocity measurement error is 0.1%?
If the uncertainty in the position of an electron is zero, what would be the uncertainty in its momentum?
If the uncertainty in the position of an electron is zero, what would be the uncertainty in its momentum?
In Bohr's atomic model, how are radius and energy in orbit related?
In Bohr's atomic model, how are radius and energy in orbit related?
Which molecule has the maximum number of covalent bonds?
Which molecule has the maximum number of covalent bonds?
What is the main cause of lactic acid accumulation during repeated activation of muscles?
What is the main cause of lactic acid accumulation during repeated activation of muscles?
Which sequence represents the correct order of vertebrae in the vertebral column of human beings?
Which sequence represents the correct order of vertebrae in the vertebral column of human beings?
If a bullet of mass m strikes a stationary wooden block of mass M and gets embedded into the block, what is the final speed?
If a bullet of mass m strikes a stationary wooden block of mass M and gets embedded into the block, what is the final speed?
What happens to the coefficient of friction if the normal reaction is doubled?
What happens to the coefficient of friction if the normal reaction is doubled?
What is the ratio of momenta between two bodies with masses m and 2m, if they have equal kinetic energy?
What is the ratio of momenta between two bodies with masses m and 2m, if they have equal kinetic energy?
What is the speed of a particle after 10 seconds if it has an initial speed of $3i + 4j$ and acceleration $0.4i + 0.3j$?
What is the speed of a particle after 10 seconds if it has an initial speed of $3i + 4j$ and acceleration $0.4i + 0.3j$?
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Study Notes
NSAT-2023 Class XI Exam Overview
- Total number of questions in the NSAT-2023 Class XI exam paper is unspecified.
- Each correct response is allotted a certain number of marks, details not provided.
- Maximum total marks for the NSAT-2023 Class XI exam paper are not specified.
- The question paper consists of multiple parts, exact count not mentioned.
Exam Instructions
- Particulars and marks on the answer sheet should be filled using a black or blue ballpoint pen.
- Maximum time duration for the NSAT-2023 Class XI exam is not mentioned.
Scientific Concepts and Definitions
- Cells acquire and utilize energy through a chemical process called metabolism.
- The term 'Taxonomy' was first proposed by Carl Linnaeus.
Bacteria Classification
- Coccus: Spherical shape
- Bacillus: Rod-shaped
- Spirillum: Spiral shape
- Note: Specific mismatches from Classification were not detailed.
Characteristics of NSAT - 2023 Class XI TO XII-PCB Exam
- Detailed characteristics of the exam not provided in the information presented.
Biological Processes
- Signatures collected during the exam serve as a verification mechanism.
- Endospores exhibit high resistance due to their thick protective coat and dehydration.
- The swollen leaf base in some legumes is called a pulvinus.
- Acropetal arrangement of flowers characterizes racemose inflorescence.
Morphological and Molecular Biology
- Stilt roots develop from the lower nodes of some plants.
- Ribosomes participate in protein synthesis in both prokaryotic and eukaryotic organisms.
- Subunits of 80S ribosomes are 60S and 40S.
Physical Chemistry Concepts
- Atomic weight of element A is unspecified.
- pπ - dπ overlap may occur in certain transition metal complexes.
Uncertainty Principle
- Uncertainty in the position of a ball with mass 200 gm moving at 10 ms⁻¹ can be determined based on velocity measurement error of 0.1%.
- If uncertainty in the position of an electron is zero, the uncertainty in its momentum becomes infinite.
Atomic Models and Molecular Chemistry
- In Bohr's atomic model, radius and energy are inversely related.
- The molecule with the maximum number of covalent bonds is typically determined by its valency.
Muscle Activity and Vertebral Anatomy
- Lactic acid accumulates in muscles due to anaerobic respiration during repeated activation.
- Correct order of vertebrae in the human vertebral column starts from cervical to lumbar to sacral to coccygeal.
Physics of Momentum and Friction
- When a bullet of mass m embeds in a wooden block of mass M, final speed is determined by applying conservation of momentum.
- Coefficient of friction increases or decreases based on the normal reaction force applied.
- Ratio of momenta between two bodies with masses m and 2m with equal kinetic energy is 1:2.
- Speed of a particle with initial speed $3i + 4j$ after 10 seconds is calculated using kinematic equations based on acceleration $0.4i + 0.3j$.
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