Meiosis

Q.

Number of chromosomes in daughter cell after meiosis are

Q. What is mitosis in brief and how is the process happening in sexual reproduction

Q.

Read the statements given below and choose the correct option-

Assertion: Meiosis occur in the reproductive cell.

Reason: Chromosome number remains the same in the meiotic division.

1. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

2. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

3. Both Assertion and Reason are incorrect.

4. Assertion is correct but Reason is incorrect.

Q.

With respect to the following statements, choose the correct answer.

Statement 1: Meiosis takes place in asexual reproduction.
Statement 2: Mitosis produces the sex cells called gametes.

1. Both the statements are incorrect

2. Both the statements are correct

3. Only statement 2 is correct

4. Only statement 1 is correct

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-b, 2-a, 3-d, 4-c

2. 1-b, 2-d, 3-a, 4-c

3. 1-d, 2-a, 3-b, 4-c

4. 1-d, 2-b, 3-a, 4-c

Q. DNA replicates during meiosis.

1. twice
2. never
3. once
4. thrice

Q.

How does distribution of chromosomes takes place in sexual reproduction

Q.

Which of the following statement is correct?

Statement 1 (S1): The gametes or sex cells have only half the number of chromosomes compared to other cells in the body.

Statement 2 (S2): Mitosis gives rise to gametes.

1. S1 is incorrect but S2 is correct

2. Both S1 and S2 are correct and S2 is the incorrect explanation for S1

3. Both S1 and S2 are correct and S2 is the correct explanation for S1

4. S1 is correct but S2 is incorrect

Q.

Question 04(ii)
Indicate whether the following statements are True (T) or False (F).
Each sperm is a single cell. ( )

Q.

What does it mean if you have an extra chromosome?

Q.

Statement 1 (S1): The gametes or sex cells have only half the number of chromosomes compared to other cells in the body.

Statement 2 (S2): Mitosis gives rise to gametes.

1. Both S1 and S2 are correct and S2 is the incorrect explanation for S1

2. Both S1 and S2 are correct and S2 is the correct explanation for S1

3. S1 is correct but S2 is incorrect

4. S1 is incorrect but S2 is correct

Q. DNA replicates during meiosis.

1. twice
2. never
3. once
4. thrice

Q.

The nucleus of the sperm contains __ chromosomes.

Q. Cell division is important for____.

1. growth
2. reproduction
3. repair
4. replacement

Q. What is Zygote

Q.

Explain the process of meiosis and mitosis using simple terms.

Q. Cell division is important for____.

1. repair
2. replacement
3. reproduction
4. growth

Q. With respect to the following statements, choose the correct answer.

Statement 1: Meiosis takes place in asexual reproduction.
Statement 2: Mitosis produces the sex cells called gametes.

1. Only statement 1 is correct
2. Both the statements are correct
3. Only statement 2 is correct
4. Both the statements are incorrect

Q. Gametes are produced by the process of meiosis.

1. False
2. True

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-d, 2-a, 3-b, 4-c
2. 1-d, 2-b, 3-a, 4-c
3. 1-b, 2-a, 3-d, 4-c
4. 1-b, 2-d, 3-a, 4-c

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-b, 2-a, 3-d, 4-c
2. 1-b, 2-d, 3-a, 4-c
3. 1-d, 2-a, 3-b, 4-c
4. 1-d, 2-b, 3-a, 4-c

Q. In meiosis, the number of chromosomes in each of the four daughter cells is-

1. twice the number in parent cell
2. half of the number in parent cell
3. triple the number in parent cell
4. same as the parent cell

Q.

What determines the XY combination of baby?

1. 23rd pair

2. Ovum

3. Sperm

4. 22 pairs

Q. Which of the following types of reproduction leads to the variation in the population?

1. Asexual reproduction
2. Sexual reproduction
3. Both of A and B
4. Vegetative propagation

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-b, 2-a, 3-d, 4-c
2. 1-b, 2-d, 3-a, 4-c
3. 1-d, 2-a, 3-b, 4-c
4. 1-d, 2-b, 3-a, 4-c

Q. Choose the correct option which explains why meiosis is required.

1. Some cells can't undergo meiosis.
2. Variation is necessary to sustain life.
3. It is simpler than mitosis.
4. To give identical offsprings

Q. Which type of cell division occurs in sex cells?

1. Mitosis
2. Meiosis
3. Both A and B
4. None of these

Q. Choose the correct option which explains why meiosis is required.

1. It is simpler than mitosis.
2. Variation is necessary to sustain life.
3. Some cells can't undergo meiosis.
4. To give identical offsprings

Q. Which portion(s) of sperm contain(s) nucleus?

1. Head
2. Middle piece
3. Tail
4. All parts of sperm

Q. Meiosis is a direct single cell division that forms 4 daughter cells.
Is the above statement true or false?

1. True
2. False