Class 12 Biology - Chapter: Reproduction in Organisms (MCQs) #reproduction #biologyMCQs #class12Biology #eduvictors

Class 12 Biology - Chapter: Reproduction in Organisms  (MCQs) 

Q1(NEET 2018). Which of the following flowers only once in its lifetime?

(a) Bamboo species 

(b) Mango

(c) Jackfruit 

(d) Papaya

Q2(NEET 2018). Offsets are produced by

(a) Meiotic divisions

(b) Parthenocarpy

(c) Mitotic divisions

(d) Parthenogenesis

Q3 (NEET 2020). Strobili or cones are found in

(a) Pteris 

(b) Marchantia

(c) Equisetum 

(d) Salvinia

Q4(AIPMT). Vegetative propagation in Pistia occurs in

(a) offset

(b) runner

(c) sucker

(d) stolon

Q5. A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of the zygote. The adult filament of this alga has

(a) haploid vegetative cells and diploid gametangia

(b) diploid vegetative cells and diploid gametangia

(c) diploid vegetative cells and haploid gametangia

(d) haploid vegetative cells and haploid gametangia

Q6. Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are:

(a) Microscopic organisms

(b) Unicellular organisms

(c) Heterotrophic organisms

(d) Uninucleate organisms

Q7. Which of the following is a post-fertilisation event in flowering plants?

(a) Transfer of pollen grains

(b) Embryo development

(c) Formation of flower

(d) Formation of pollen grains

Q8. The approximate life span of a parrot is

(a) 60 years 

(b) 1–2 weeks 

(c) 15 years 

(d) 140 years

Q9. Vegetative propagules of Agave is

(a) Tuber 

(b) Rhizome

(c) Bulbil 

(d) Runner

Q10(NEET 2016). In bryophytes and pteridophytes, transport of male gametes requires:

(a) Wind 

(b) Insects

(c) Birds 

(d) Water

Answers:

1. (a) Bamboo species: Bamboo species have a life cycle of about 80-100 years and generally flower only once in their lifetime.

2. (c) Mitotic divisions

3. (c) Equisetum 

4. (a) offset

5. (d) haploid vegetative cells and haploid gametangia

6. (b) Unicellular organisms

7. (b) Embryo development

8. (d) 140 years

9. (c) Bulbil 

10. (d) Water

👉See Also:

Biodiversity and Conservation (MCQs)

Biotechnology and Its Applications (Very Short Answer Based Questions - Solved) 

Organisms and Populations (MCQs)

Microbes in Human Welfare (MCQs)

Human Health and Diseases (MCQs)

Biotechnology - Principles and Processes (MCQs)