How Do Organisms Reproduce? Class 10 Science MCQ Quiz – Test Your Knowledge

Which among the following statements is true for unisexual flowers?

1. They possess both stamen and pistil.
2. They possess either stamen or pistil.
3. They exhibit cross-pollination.
4. Unisexual flowers possessing only stamens cannot produce fruits.

• Assertion (A): The probability of survival of an organism produced through sexual reproduction is more than that of an organism produced through asexual mode.
• Reason (R): Variations provide advantages to individuals for survival.

Assertion (A): The process of DNA copying does not result in variations.

Reason (R): No biochemical reaction is absolutely reliable.

Match the following:

Vegetative propagation refers to the formation of new plants from

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called

In human males, the testes lie in the scrotum, because it helps in the

How many chromosomes are present in the ovum of a human being?

Offspring formed as a result of sexual reproduction exhibit more variations because

Which among the following is not the function of the testes at puberty?

1. Formation of germ cells
2. Secretion of testosterone
3. Development of placenta
4. Secretion of estrogen

Secretion of which gland provides nutrition to the sperms?

Which part of the flower matures to form a seed?

In the below figure parts A, B, and C are sequentially

By which process does the number of chromosomes in both parents and offspring of a particular species remain constant?

When an organism breaks into a number of parts and each part develops into an individual, it is called