Home
Class 10
BIOLOGY
Assertion (A) : In tobacco plant, the ma...

Assertion (A) : In tobacco plant, the male gametes have twenty four chromosomes.
Reason (R) : The number of chromosomes in its zygote are forty eight.

A

Both (A) and (R) are true and (R) is correct explanation of the assertion

B

Both (A) and (R) are true but (R) is not the correct explanation of the assertion

C

(A) is true but (R) is false.

D

(A) is false but (R) is true.

Text Solution

Verified by Experts

The correct Answer is:
B
The cells in the stamen undergo meiosis resulting in half the number of chromosomes in male gamete.
Promotional Banner

Topper's Solved these Questions

  • HOW DO ORGANISMS REPRODUCE ?

    U-LIKE SERIES|Exercise VERY SHORT ANSWER QUESTIONS|42 Videos

  • HOW DO ORGANISMS REPRODUCE ?

    U-LIKE SERIES|Exercise SHORT ANSWER QUESTIONS|69 Videos

  • HOW DO ORGANISMS REPRODUCE ?

    U-LIKE SERIES|Exercise Fills in the blanks|10 Videos

  • HEREDITY AND EVOLUTION

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS|18 Videos

  • LIFE PROCESSES

    U-LIKE SERIES|Exercise Long answer questions|22 Videos

Similar Questions

Explore conceptually related problems

In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote?

Both males and females have same number of chromosomes in

The cell of endosperm have 24 chromosomes. What will be the number of chromosomes in the gametes?

Root cells of a wheat plant have 42 chromosomes, the number of chromosomes in egg cell will be:

Assertion (A): Crossing over takes place between two homologous chromosomes. Reason (R ): Crossing over is the exchange of chromosomal fragments between homologous chromosomes.