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UPSC CAPF AC Paper - I
IMPORTANT
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Assertion (A) Asexual reproduction requires only female animals.
Reason (R) Male animals are not capable for asexual reproduction.

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Important Questions on Biology

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 223
Consider the following statements
1. Fusion of gametes is known as syngamy.
2. Fusion of dissimilar gametes is known as allogamy.
Which of the statement(s) given above is/are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 224
Study the following statements
1. Earthworm is a hermaphrodite.
2. The asexual reproduction in sponges takes place by gemmule.
3. Sexual mode of reproduction in Protozoa is anisogamy.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 225
Consider the following statements In flowering plants,
1. During fertilization, first male gamete fuses with the egg nucleus and this process is called syngamy or true fertilization, which results in diploid structure called the zygote.
2. Secondary nucleus takes part in the process of triple fusion, which results in triploid structure called endosperm.
Which of the statement(s) given above is/are true about fertilization in flowering plants?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 226
In the human body, Cowper's glands form a part of which one of the following system?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 227
Match List I (Part Before Fertilization) with List II (Part after Fertilization) and select the correct answer using the codes given below the lists.
     List I                  List II
A. Ovary            1. Pericarp of fruit
B. Ovary wall     2. Fruit
C. Ovule            3. Seed
D. Egg cell        4. Embryo
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 228
Assertion (A) Ovules after fertilization develops into a fruit.
Reason (R) The angiospermic fruits contain diploid endosperm.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 229
Consider the following statements
1. Humans have separate sexes like other mammals.
2. The gonads of mammals are paired organs that produce sex cells, i.e., sperm and eggs.
3. Men produce sperms more or less continuously and women ovulate about once a month.
4. Human beings are unisexual.
Which of the statements given above are true about human reproduction?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 230
Corpus luteum is a mass of cells found in