CUET 2023 Biology Reproduction in Organisms practice questions

Looking for CUET Biology free Mock test chapterwise to practice and improve your performance in your CUET undergraduate test .Here you will get CUET Biology mock test of topic Reproduction in organisms . Below we have provided objective questions of Reproduction in organisms to practice for your CUET biology / biotechnology UG test.

CUET 2023 Biology Reproduction in Organisms practice questions
CUET 2023 Biology Reproduction in Organisms practice questions

CUET (UG) Biology or biotechnology syllabus includes various chapters ,among them below we have provided reproduction in organisms mcqs with answer for your practice and quick revisions .The below CUET Biology Mock Test of reproduction in organism will help candidates to enhance their problem-solving efficiency and speed to complete the examination in the given duration. The Test Series also gives you a idea about your weak points where you need to work more to improve .

CUET Biotechnology Reproduction in organisms mock test :

Instructions : Kindly attempt the below questions in exam like environment without using any devices and google search. Try to solve the questions in a time limit of max 25 min . write your answers in a paper and at the end match your answers from the answer key provided at the end .

  1. Single-celled animals are said to be immortal because
    (a) they grow indefinitely in size
    (b) they can tolerate any degree of change in temperature
    (c) they can reproduce throughout their lifespan
    (d) they continue to live as their daughter cells
  2. Reproduction can be considered as
    (a) a biological process
    (b) a cycle of birth, growth and death
    (c) a process that enables continuity of species
    (d) All of the above
  3. Asexual reproduction is a method of reproduction in which participation of ……… takes place.
    (a) one individual
    (b) two individuals (same species)
    (c) multi-individuals
    (d) two individuals (different species)
  4. Cell division is the mode of reproduction in
    (a) monerans (b) protists
    (c) Both (a) and (b) (d) None of these
  5. Zoospores are
    (a) motile gametes of Chlamydomonas
    (b) non-motile gametes of sponges
    (c) motile gametes of Hydra
    (d) non-motile gametes of Penicillium
  6. Gemmule formation is a common mode of reproduction in
    (a) Hydra (b) sponge
    (c) Penicillium (d) Amoeba
  7. The site of origin of the new plantlets in potato, Dahlia, ginger and banana is
    (a) floral buds present on stem
    (b) internodes of modified stem
    (c) nodes of modified stem
    (d) adventitious buds present on root
  8. Some organisms are capable of asexual or sexual reproduction. Under favourable conditions, reproduction proceeds asexually. When conditions become more stressful reproduction switches to a sexual mode. Why?
    (a) Sexual reproduction is simple and more rapid allowing larger numbers of offspring to be produced
    (b) Sexual reproduction requires two separate individuals, who can mutually provide nutrient
    support during stress
    (c) Sexual reproduction produces individuals with new combinations of recombined chromosomes increasing diversity
    (d) Asexual reproduction requires more energy
  1. Sexual reproduction involves formation of male and female gametes by
    (a) same individual
    (b) different individual of opposite sex
    (c) Both (a) and (b)
    (d) All of the above
  2. Select the correct sequence from the following.
    I. Juvenile phase → Senescent phase → Reproductive phase
    II. Juvenile phase → Reproductive phase → Senescent phase
    III. Reproductive phase → Juvenile phase → Senescent phase
    IV. Pre-reproductive phase → Reproductive phase → Senescent phase

    (a) I and II (b) I and IV (c) III and IV (d) II and IV
  3. Strobilanthes kunthiana is also called
    (a) Neelakurinji (b) Peela kuranji
    (c) Hara kuranji (d) Kala kuranji
  4. Oestrus cycle is cyclic change in the activities of ovaries and accessory duct in non-primates during
    (a) reproductive (seasonal) period
    (b) maturation period
    (c) ageing period
    (d) juvenile period
  5. Organisms reproducing throughout the year are called …… breeders, e.g. … and those who show recurring sexual activity are called …… breeders, e.g. … .
    (a) continuous, sparrow, seasonal, hen
    (b) seasonal, lizard, continuous, hen
    (c) continuous, man, seasonal, tiger
    (d) seasonal, hen, continuous, tiger
  1. Essential and most critical event in sexual reproduction is
    (a) fertilisation
    (b) division in male and female gametes
    (c) Both (a) and (b)
    (d) None of the above
  2. Syngamy may occur in ………… .
    (a) external medium (b) internal medium
    (c) Both (a) and (b) (d) None of these
  3. Internal fertilisation is the one in which syngamy
    (a) occur outside the body
    (b) occur inside the body
    (c) is followed by meiosis
    (d) None of the above
  4. Diploid zygote is universal in
    (a) All sexually reproducing organisms
    (b) All asexually reproducing organisms
    (c) All sexually and asexually reproducing organisms
    (d) Only plants and animals
  5. Life begins in all sexually reproducing organism from a
    (a) single-celled zygote (b) double-celled zygote
    (c) thick-walled zygote (d) All of these
  6. Choose the incorrect pair.
    (a) Cell division in embryo – Increase the number of cells
    (b) Cell differentiation – Form specialised tissues and organs
    (c) Eggs covered by hard calcareous shell – Oviparous animals
    (d) Zygote develops outside the body –Viviparous animals
  7. Chances of survival of young ones are more in the case of…………. individuals.
    (a) oviparous (b) viviparous
    (c) ovoviviparous (d) None of these
  8. Offsprings of oviparous animals have less chances of survival as compared to those of viviparous animals because
    (a) proper embryonic care and protection is absent
    (b) embryo does not develop completely
    (c) progenies are of smaller size
    (d) genetic variations do not occur
  9. The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
    (a) 12, 24, 12 (b) 24, 12, 12
    (c) 12, 24, 24 (d) 24, 12, 24
  10. Amoeba and yeast reproduce asexually by fission and budding, respectively because they are
    (a) microscopic organisms
    (b) heterotrophic organisms
    (c) unicellular organisms
    (d) uninucleate organisms
  1. If the parent body is haploid then the gametes are
    (a) haploid (b) diploid
    (c) triploid (d) None of these
  2. In diploid organism the gamete producing cells are called
    (a) gamete mother cell (b) meiocytes
    (c) Both (a) and (b) (d) None of these

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CUET (UG) Reproductions in organisms questions answers :

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