Reproduction in Organisms MCQ Questions Class 12 Biology Chapter 1
NCERT MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms. Reproduction in Organisms MCQ Questions with Answers from Class 12 Biology.
Reproduction in Organisms MCQ Questions Class 12 Biology Chapter 1
Reproduction in Organisms Multiple Choice Questions with Answers Class 12 Biology Chapter 1 PDF is available.
Multiple choice questions:
1) | Single celled organisms reproduced by –
a) Sexual reproduction b) Fusion c) Fission d) Sporulation |
2) | Reproductive structure produced by penicillium –
a) Buds b) Conidia c) Gemmules d) Bulb |
3) | Which among the following is a microscopic motile structure –
a) Zoospore b) Zygospore c) Buds d) Aplanospores |
4) | Phenomena of encystation is found in –
a) Algae b) Amoeba c) Hydra d) Sponge |
5) | Gemmules are asexual reproductive structure formed by –
a) Water hyacinth b) Agave c) Sponge d) Amoeba |
6) | Identify the mismatched reproductive structure –
a) Zoospores – Chlamydomonas b) Conidia – Penicillium c) Buds – penicillium d) Gemmules – sponge |
7) | Cyst is a ______ layered hard covering
a) 4 b) 3 c) 2 d) 1 |
8) | In favourable condition, amoeba produces ___________
a) Cyst b) Zygote c) Buds d) Pseudopodiospores |
9) | Breaking of body into distinct pieces are –
a) Fragments b) Nodes c) Sects d) Cleavage |
10) | Adventitious buds arise from _____ of Bryophyllum
a) Flowers b) Roots c) Leaves d) Stem |
11) | What is the lifespan of crow?
a) 7 years b) 5 years c) 10 years d) 15 years |
12) | What is the lifespan of butterfly?
a) 5 months b) 1-2 weeks c) 1 year d) 3 days |
13) | Terror of Bengal is related to which aquatic plant
a) Hydra b) Water hyacinth c) Lotus d) None of these |
14) | In which process both male and female gametes are used
a) Sexual reproduction b) Asexual reproduction c) Binary fusion d) Budding |
15) | Which among the following is not sexual reproduction
a) Elaborate b) Complex c) Slow process d) Fast replication |
16) | A certain stage of growth and maturation, before they can reproduce sexually
a) Senescence b) Birth c) Death d) Juvenile phase |
17) | Which is also known as juvenile phase in plants
a) Vegetative phase b) Seed formation c) Transportation d) Excretion |
18) | Which type of plant shows clear cut vegetative, reproduction and senescent phases
a) Annual b) Biennial c) Perennial d) Both A and B |
19) | Which among the following is perennial
a) Few Bamboo species b) Strobilanthuskunthiana c) Neelakuranji d) All of the above |
20) | Oestrus cycle is seen is
a) Monkey b) Apes c) Cow d) Human |
21) | Gametogenesis occurs in which stage
a) Pre – fertilisation b) Fertilisation c) Post – fertilisation d) None of the above |
22) | Two gametes so similar known as homogametes is
a) Isogametes b) Heterogametes c) Antherozoid d) Ovum |
23) | Bisexual condition is
a) Heterothallic b) Dioecious c) Homothallic d) Hermaphrodites |
24) | Dioecious example
a) Papaya b) Coconuts c) Cucurbits d) Mango |
25) | Which is unisexual species
a) Earthworm b) Cockroach c) Sponge d) Leech |
26) | Which match is wrong
a) Monera – haploid b) Angiosperm – diploid c) Algae – diploid d) Gymnosperm – diploid |
27) | Human being chromosome number in meiocyte and in gamete
a) 46,22 b) 44,20 c) 46,23 d) 12,6 |
28) | Chromosome number in gamete of housefly
a) 6 b) 12 c) 24 d) 46 |
29) | Chromosome number in meiocyte of onion
a) 6 b) 48 c) 16 d) 8 |
30) | Haploid parent produces gametes by
a) Meiotic division b) Mitotic division c) Both A and B d) None of the above |
31) | Fusion of gamete is
a) Post fertilisation b) Fertilisation c) Pre fertilisation d) Senescence |
32) | In which of the organism water is for gamete transfer
a) Algae b) Bryophytes c) Pteridophytes d) All of the above |
33) | Transfer of pollen to same plant stigma is
a) Cross pollination b) Self-fertilisation c) Parthenogenesis d) None of the above |
34) | Which one is odd one out
a) Fusion b) Syngamy c) Fertilization d) Budding |
35) | Syngamy result in the formation of
a) Egg b) Sperm c) Zygote d) Buds |
36) | The process by which female gamete undergoes development to form new organisms without fertilisation is
a) Parthenogenesis b) Cross pollination c) Syngamy d) Self-pollination |
37) | Through which external fertilisation occurs
a) Water b) Air c) Wind d) Insects |
38) | In which of this organism internal fertilisation occurs
a) Algae b) Fishes c) Gymnosperm d) Amphibians |
39) | What develops a thick wall that is resistant to desiccation and damage
a) Zygote b) Sperm c) Ovum d) None of these |
40) | ______ is the vital link that ensures continuity of species between generation and next
a) Embryo b) Zygote c) Sperm d) Ovum |
41) | During embryogenesis zygote undergoes cell division and _________
a) Partition b) Modification c) Dedifferentiation d) Differentiation |
42) | Animals are categorized into _____ if the development of the zygote takes place outside of the female parent body
a) Viviparous b) Oviparous c) Both A and B d) None of these |
43) | In flowering plants zygote is formed inside the ___________
a) Anther b) Hilum c) Pollen d) Ovule |
44) | The ovary develops into __________
a) Seed b) Seed coat c) Cotyledon d) Fruit |
45) | Chances of survival of young ones is greater in _________organism
a) Viviparous b) Aquatic c) Oviparous d) Both A and C |
46) | Gametes are ________in nature
a) Diploid b) Haploid c) Tetraploid d) Triploid |
47) | _________ reproduce asexually by cell division or binary fission
a) Eukaryotes b) Prokaryotes c) Unicellular organisms d) Both B and C |
48) | In which organisms both type of gametes are motile
a) Few fungi and algae b) Few fungi and yeast c) Few algae and moss d) None of these |
49) | Which of these following organisms have haploid plant body
a) Gymnosperm b) Angiosperm c) Monera d) Both A and B |
50) | Which of the following organisms have diploid plant body
1. Monera 2. Fungi 3. Gymnosperm 4. Both A and B |
ANSWER KEY
- C
- B
- A
- B
- C
- C
- B
- D
- A
- C
- D
- B
- B
- A
- D
- D
- A
- D
- D
- C
- A
- A
- C
- A
- B
- C
- C
- A
- C
- B
- B
- D
- B
- D
- C
- A
- A
- C
- A
- B
- D
- B
- D
- D
- A
- B
- D
- A
- C
- C
Also See: Chapter 2 Sexual Reproductions in Flowering Plants MCQ Q&A