Podcast
Questions and Answers
Identify the growth hormone in plants which causes inhibitory effect.
Identify the growth hormone in plants which causes inhibitory effect.
- Abscissic acid (correct)
- Gibberellin
- Cytokinins
- Ethylene
Which one of the following is not a part of lac operon?
Which one of the following is not a part of lac operon?
- Regulator
- Inducer (correct)
- Operator
- Promoter
In absence of fertilization, corpus luteum degenerates into _____
In absence of fertilization, corpus luteum degenerates into _____
corpus albicans
Which of the following divides nasal cavity?
Which of the following divides nasal cavity?
Which of the following is caused by unsterilized needle?
Which of the following is caused by unsterilized needle?
Recognition sequence of restriction enzymes are generally _____ nucleotides long.
Recognition sequence of restriction enzymes are generally _____ nucleotides long.
Which of the following types require pollinator but result is genetically similar to autogamy?
Which of the following types require pollinator but result is genetically similar to autogamy?
Which one of the following does not evolve further?
Which one of the following does not evolve further?
Identify the appropriate term for the number of births under ideal conditions:
Identify the appropriate term for the number of births under ideal conditions:
Observe the graph and select correct option :
Observe the graph and select correct option :
What are vestigeal organs?
What are vestigeal organs?
Expand the term ZIFT.
Expand the term ZIFT.
Give the name of endocrine gland which is prominent at birth but gets gradually atrophied in adult stage.
Give the name of endocrine gland which is prominent at birth but gets gradually atrophied in adult stage.
What is the full form of IAA?
What is the full form of IAA?
Give the name of microbial source of antibiotic chloromycetin.
Give the name of microbial source of antibiotic chloromycetin.
Which cells of islets of Langerhans produce a hormone insulin?
Which cells of islets of Langerhans produce a hormone insulin?
How many meiotic divisions are required for the formation of 300 seeds in angiosperm?
How many meiotic divisions are required for the formation of 300 seeds in angiosperm?
Explain the term Emigration.
Explain the term Emigration.
Flashcards
Abscissic Acid
Abscissic Acid
A plant hormone that inhibits growth and promotes dormancy.
Operator (in Lac Operon)
Operator (in Lac Operon)
A non-coding DNA region in bacteria involved in gene regulation.
Vestigeal Organs
Vestigeal Organs
A rudimentary structure in an organism that has lost all or most of its original function in the course of evolution.
ZIFT
ZIFT
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Thymus gland
Thymus gland
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IAA
IAA
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Gene flow
Gene flow
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Chromosomal Aberrations
Chromosomal Aberrations
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Mutualism
Mutualism
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Differentiation in Cells
Differentiation in Cells
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Study Notes
- The Biology (56) exam has a maximum mark of 70 and lasts 3 hours.
- The question paper is divided into four sections.
Section A
- Contains 10 multiple-choice questions, each worth one mark.
- Evaluation is based on the first attempt only.
- Includes 8 very short answer-type questions, each carrying one mark.
- Questions cover a range of biology topics, like identifying growth hormones, components of the lac operon, and causes of diseases.
Section B
- Contains Q. No. 3 to 14 which are short answer type questions carrying two marks each.
- Attempt only 8 questions from this section.
- Includes questions about vestigeal organs, ZIFT, endocrine glands, IAA, microbial sources of antibiotics, insulin-producing cells, meiosis, emigration, Mendel's success, and DNA fingerprinting steps,.
- Covers human sperm vs. ovum, gene therapy, gene flow, chromosomal aberrations, double fertilization, water uptake in roots, mutualism, water absorption factors, differentiation and redifferentiation, and respiratory system disorders.
Section C
- Contains Q. No. 15 to 26 involves short answer type questions carrying three marks each.
- Attempt only 8 questions from this section.
- Involves questions around preliminary sewage treatment.
- Covers mRNA formation, reproductive isolation, acquired immunity, ovary hormones, PCR technique, limitations of root pressure theory, greenhouse effect, ethylene effects, cranial nerves, energy pyramids, and lac.
Section D
- Contains Q. No. 27 to 31 which are long answer type questions carrying four marks each.
- Attempt any 3 questions from this section.
- Covers testis structure, chromosomal disorders, Turner's syndrome, Klinefelter's Syndrome, Planaria's nervous system, grafting, apomixis, polyembryony, parthenocarpy, and interpreting diagrams A and B regarding inspiration and expiration.
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