Biology

Biological Reproduction

762 Questions

Biological reproduction encompasses processes like asexual and sexual reproduction, alternation of generations, and specific mechanisms in plants and fungi. This topic is fundamental for biology paper preparation in various competitive exams. Practice these questions to solidify your understanding.

Asexual reproduction structuresPlant and fungi life cyclesCloning and fertilizationReproductive terminology

Biological Reproduction Questions

Multiple choice

Which of the following types of reproductions takes place in algae, when the gametes are of same size?

  1. Sexual reproduction with oogamous fusion

  2. Asexual reproduction by different kinds of spores

  3. Sexual reproduction with isogamous fusion

  4. Sexual reproduction with anisogamous fusion

  5. Vegetative reproduction by fragmentation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is correct. In this case, the gametes are similar in size, e.g. Spirogyra. The gametes can be flagellated or non-flagellated.

Multiple choice

Which of the following statements is/are false regarding the male sex organ in a Bryophyte? (a) It is known as antherozoid. (b) It is multicellular. (c) It produces biflagellate antheridium. (d) Antherozoids are released into water for fertilization.

  1. Only a

  2. Only c

  3. Only a and b

  4. Only b and d

  5. Only a and c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, both the statements are false and hence, this option is correct. Male sex organ in bryophytes is antheridium. Antheridium produces biflagellate antherozoid.

Multiple choice

Which of the following statements is false?

  1. Bacteria and protozoa reproduce through fission.

  2. The filament of spirogyra divides into many pieces.

  3. In amoeba, splitting of cells can take place in any plane.

  4. Fission in Leishmania can occur in any plane.

  5. Binary fission occurs in a definite orientation in some organisms.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In Leishmania, binary fission occurs in a definite orientation in relation to these structures.

Multiple choice

Which of the following is correct for sexual reproduction?

  1. Fusion of two male gametes

  2. Fusion of two female gametes

  3. Fusion of one male and one female gamete

  4. Fusion of one male and two polar nuclei

  5. Fusion of two male and two female gametes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The fusion of one male gamete and one female gamete is called reproduction.