+91-8527521718
Signup | Login
  • 1(current)
Q. No.
Select the correct option based on statements below:
Assertion (A): Meiosis leads to recombinations of genes.
Reason (R): Crossing over occurs in pachytene sub-stage of prophase I of meiosis.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Cell Cycle: Meiosis I |
 75%
Level 2: 60%+
Hints
premium feature crown icon
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly
Assertion (A): Tendency of parental combinations to remain together is called crossing over.
Reason(R): Crossing over provides proof in favour of the linear arrangement of genes on chromosomes.
In the following questions, a statement of assertion (A) is followed by a statement of reason (R).
1. Both (A) & (R) are True and (R) is the correct explanation of (A).
2. Both (A) & (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Cell Cycle: Meiosis I |
 54%
Level 3: 35%-60%
Hints

Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

(stage of prophase I)

Column II

(event)

I. Zygotene

II. Pachytene

III. Diplotene

IV. Diakinesis

1. Crossing over

2. Chiasmata formation

3. Bivalent formation

4. Terminalization of chiasmata

Codes:

                I            II            III            IV

1.             1            2             3               4

2.             2            1             4               3

3.             3            1             2               4

4.             3            2             1               3

Subtopic:  Cell Cycle: Meiosis I |
 86%
Level 1: 80%+
Hints
advertisementadvertisement

Match the following Column-I with Column-II. 

Column-I  Column-II
A. Synapsis aligns
homologous chromosomes		 (i)  Anaphase II
B. Synthesis of RNA and protein (ii)  Zygotene
C. Action of enzyme recombinase (iii)  G2 - phase
D. Centromeres do not separate, but chromosomes move towards opposite poles (iv)  Anaphase I
(v)  Pachytene
 
1. A-(ii), B-(i), C-(iii), D-(iv) 2. A-(ii), B-(iii), C-(v), D-(iv)
3. A-(i), B-(ii), C-(v), D-(iv) 4. A-(ii), B-(iii), C-(iv), D-(v)
Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
 87%
Level 1: 80%+
NEET - 2015
Hints
Match List-I with List-II:
List-I List-II
A. Pairing of homologous chromosomes I. Chiasmata
B. Actual interchange of segments between two homologous chromosomes II. Synaptonemal complex
C. Protein body formed between paired homologs III. Synapsis
D. The cross shaped configuration visible between homologs IV. Crossing over
Choose the correct answer from the options given below:
1.  A - (IV); B - (III); C- (I); D - (II)
2.  A - (III); B - (IV); C- (I); D - (II)
3.  A - (III); B - (IV); C- (II); D - (I)
4.  A - (IV); B - (III); C- (II); D - (I)
Subtopic:  Cell Cycle: Meiosis I |
 81%
Level 1: 80%+
Hints

Read the four statements (a-d) and choose the correct option.

a. Spindle fibers attach to kinetochores of chromosomes during metaphase.
b. Cell growth results in disturbing the ratio between the nucleus and the cytoplasm.
c. Pachytene stage is relatively short-lived compared to the leptotene.
d. Interkinesis is a short-lived stage characterized by duplication of DNA.

1. a, b & c are correct

2. Only c is incorrect

3. b & d are correct 

4. a & b are correct

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
 67%
Level 2: 60%+
Hints
advertisementadvertisement
Given below are two statements:
Statement I: In mitosis, chromosomal number in the progeny as well as in parents remains the same
Statement II: Mitosis takes place in gametes
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect 
4. Statement I is incorrect but statement II is correct 
Subtopic:  Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
Level 3: 35%-60%
Hints
premium feature crown icon
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly
Assertion(A): Meiosis reduces the chromosome number by half in gametes.
Reason(R): Meiosis is called the reductional division.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
Level 3: 35%-60%
Hints
  • 1(current)
Q. No.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

© 2026 GoodEd Technologies Pvt. Ltd.