Title REPRODUCTION IN ORGANISMS.pdf ✅

Reproduction in organisms  Digital www.allendigital.in [ 13 ] 1. Cell division is itself a mode of reproduction in: - (1) Protista & all fungi (2) Protista only (3) Monera fungi & higher plants (4) Protista & Monera 2. Most common special asexual reproductive structure seen in member of algae is: - (1) Zoospore (2) Conidia (3) Sporangia spore (4) Gemmule 3. Short horizontal branch which is one internode long and produces a cluster of leaves above and cluster of roots below is called: - (1) Stolon (2) Offset (3) Rhizome (4) Bulbil 4. Find out the incorrect statement: - (1) Period from birth to natural death is called life span (2) Life span of an organism are necessarily correlated with their size (3) Except single celled organism all other are mortal (4) Reproduction enable the species generation after generation 5. Regarding the reproduction which of the following statement is correct: - (1) Asexual reproduction is common among multicellular plants & animals (2) In monerans cell division itself a mode of reproduction (3) Yeast undergo equal type cell division to produce bud (4) In fungi fission is most common method of asexual reproduction 6. Water hyacinth or Eichhornia is one of the problematic weeds of static water in India. Which of the following statement is incorrect about it ? (1) It also known as 'Terror of Bengal' (2) It is native plant of India (3) It increases biological oxygen demand of water body (4) It spread rapidly through vegetative reproduction. 7. Select the odd one out with respect to life span:- (1) Life span of organism are not correlated with their size (2) Crows and parrots show wide difference in their life span (3) Life span of rice is 3-4 weeks (4) It is the period between birth and natural death of an organism. 8. Write down the name of fleshy bud that produces new plant in Agave:- (1) Bulbil (2) Bulb (3) Rhizome (4) Offset 9. Match the following:- Column I Plant Column II Vegitative reproduction by (a) Ginger (i) Stolon (b) Crocus (ii) Rhizome (c) Jasmine (iii) Aerial shoot (d) Opuntia (iv) Corm (1) a-(i), b-(iv), c-(iii), d-(ii) (2) a-(ii), b-(iv), c-(i), d-(iii) (3) a-(iv), b-(ii), c-(iii), d-(i) (4) a-(ii), b-(i), c-(iv), d-(iii) 10. The fleshy bud which produces new plants in hydrophytes is known as:- (1) Bulbil (2) Sucker (3) Turion (4) Runner 11. Select the incorrect match: - (1) Asexual reproduction - Somatogenic reproduction (2) Sexual reproduction - Fusion of gametes (3) Vegetative propagation - Rhizome (4) Clone - Morphologically similar, genetically dissimilar Exercise - I
NEET : Biology [ 14 ] www.allendigital.in  Digital 12. The continuity of life is maintained by the process of :- (1) Respiration (2) Reproduction (3) Photosynthesis (4) Adaptation 13. The offspring produced through which of the following process are not exactly similar to their parents? (1) Asexual reproduction (2) Sexual reproduction (3) Parthenogenesis (4) A meiotic thelytoky 14. Reproduction is essential for:- (1) Producing young ones (2) Adaptations (3) Variations (4) Continuity of a species 15. Oestrus cycle is found in :- (1) Gibbon (2) Gorilla (3) Cow (4) Monkey 16. Meiocytes are :- (1) Spermatids (2) Gamete mother cells (3) Bone marrow cells (4) Oocytes 17. Which of the following animal is bisexual? (1) Cockroach (2) Leech (3) Monkey (4) Honey bee 18. External fertilisation occurs in :- (1) Mammals (2) Birds (3) Reptiles (4) Bony fishes 19. Which of the following organism has longest life span? (1) Elephant (2) Horse (3) Crocodile (4) Parrot 20. Which of the following animals are seasonal breeder? (1) Monkey (2) Human (3) Bird (4) Apes 21. The process refers to development of embryo is known as :- (1) Gametogenesis (2) Embryogenesis (3) Parthenogenesis (4) Oogenesis 22. Which one has the more chromosome number in meiocyte as compared to others? (1) Cat (2) Dog (3) Rat (4) Fruit fly 23. Which of the following event is post fertilisation event? (1) Gametogenesis (2) Gamete transfer (3) Fertilisation (4) Embryogenesis 24. Match the column-A with column-B :- Column A Column B (i) Budding (a) Cockroach (ii) Binary fission (b) Hydra (iii) Gemmule (c) Amoeba (iv) Gamete formation (d) Sponge (1) (i)-b, (ii)-c, (iii)-a, (iv)-d (2) (i)-b, (ii)-c, (iii)-d, (iv)-a (3) (i)-d, (ii)-a, (iii)-c, (iv)-b (4) (i)-d, (ii)-b, (iii)-c, (iv)-a 25. Which of the following statement incorrect? (1) Asexual reproduction is a rapid mode of reproduction. (2) Embryogenesis involves cell division and cell differentiation. (3) The life spans of organisms correlated with their sizes. (4) Animals are either unisexual or bisexual. 26. Arrange these animals in the increasing order of their life span : - Crow, Horse, Parrot, Elephant (1) Horse, Parrot, Crow, Elephant (2) Crow, Parrot, Horse, Elephant (3) Crow, Parrot, Elephant, Horse (4) Crow, Horse, Elephant, Parrot 27. In which type of reproduction two individual cells of the opposite sex are essential? (1) Asexual (2) Sexual (3) Vegetative (4) Fragmentation
Reproduction in organisms  Digital www.allendigital.in [ 15 ] 28. Read the following four statements (A-D):- (A) In asexual reproduction, offspring produced with or without involvement of gametes (B) In asexual reproduction, clones are formed (C) Asexual reproduction is very common in single celled organisms (D) Budding in Hydra is a mode of sexual reproduction How many of the above statements are correct? (1) 4 (2) 3 (3) 2 (4) 1 29. Identify the incorrect statement :- (1) Sexual reproduction involve formation of the male & female gametes, either by the same individual or by different individual of the opposite sex. (2) Sexual reproduction results in the offspring that are identical to the parents or amongst themselves. (3) All organisms have to reach certain stage of growth & maturity in their life, before they can reproduce sexually. (4) Juvenile phase is of variable durations in different organisms. 30. In which plants it is very difficult to clearly define vegetative, reproductive & senescent phases? (1) Annual (2) Biennial (3) Perennial (4) Both annual and biennial EXERCISE-I (Conceptual Questions) ANSWER KEY Question 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Answer 4 1 2 2 2 2 3 1 2 3 4 2 2 4 3 Question 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Answer 2 2 4 4 3 2 2 4 2 3 4 2 2 2 3
NEET : Biology [ 16 ] www.allendigital.in  Digital AIPMT 2009 1. Vegetative propagation in mint occurs by:- (1) Offset (2) Rhizome (3) Sucker (4) Runner AIPMT Mains 2010 2. Vegetative propagation in Pistia occurs by:- (1) Stolon (2) Offset (3) Runner (4) Sucker AIPMT 2011 3. What is common between vegetative reproduction and apomixis? (1) Both are applicable to only dicot plants (2) Both bypass the flowering phase (3) Both occur round the year (4) Both produce progeny identical to the parent AIPMT 2012 4. Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses? (1) Diplontic life cycle (2) Members of kingdom plantae (3) Mode of Nutrition (4) Multiplication by fragmentation AIPMT 2013 5. Product of sexual reproduction generally generates (1) Prolonged dorman (2) New genetic combination leading to variation (3) Large biomass (4) Longer viability of seeds NEET 2022 6. Which part of the fruit, labelled in the given figure makes it a false fruit? (1) B → Endocarp (2) C → Thalamus (3) D → Seed (4) A → Mesocarp 7. Match list-I with list-II: List-I List-II (a) Chlamydomonas (i) Conidia (b) Penicillium (ii) Zoospores (c) Hydra (iii) Gemmules (d) Sponge (iv) Buds Choose the correct answer from the options given below: (1) (a) – (i), (b) – (iv), (c) – (iii), (d) – (ii) (2) (a) – (ii), (b) – (i), (c) – (iv), (d) – (iii) (3) (a) – (iii), (b) – (ii), (c) – (i), (d) – (iv) (4) (a) – (iv), (b) – (iii), (c) – (ii), (d) – (i) EXERCISE-II (Previous Year Questions) ANSWER KEY Question 1 2 3 4 5 6 7 Answer 3 2 4 4 2 2 2 Exercise - II (Previous Year Questions) AIPMT/NEET Understanding