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Free download in PDF Reproduction in Organisms Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
The number of chromosomes in both parents and offsprings of a particular species remains constant because:
[A]
Chromosomes get doubled after zygote formation
[B]
Chromosomes get doubled after gamete formation
[C]
Chromosomes get halved during gamete formation
[D]
Chromosomes get halved after gamete formation
Answer: Chromosomes get halved during gamete formation
(2)
The figure given alongside shows the human male reproductive organs. Which structures make sperms and seminal fluid?
[A]
V makes sperms and X makes seminal fluid
[B]
W makes sperms and Y makes seminal fluid
[C]
X makes sperms and W makes seminal fluid
[D]
Y makes sperms and V makes seminal fluid
Answer: Y makes sperms and V makes seminal fluid
(3)
An organism capable of reproducing by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is:
[A]
Spirogyra
[B]
Hydra
[C]
Bryophyllum
[D]
Paramecium
(4)
Among the following select the statements that are true regarding the sexual reproduction in flowering plants?
(i) Fertilisation is a compulsory event
(ii) It always results in the formation of zygote
(iii) Offsprings formed are clones
(iv) It requires two types of gametes
[A]
(i) nad (iv)
[B]
(i), (ii) and (iii)
[C]
(i), (ii) and (iv)
[D]
(ii), (iii) and (iv)
Answer: (i), (ii) and (iv)
(5)
Which among the following are not the functions of testes at puberty?
(i) Formation of germ cells
(ii) Secretion of testosterone
(iii) Development of placenta
(iv) Secretion of estrogen
[A]
(i) and (ii)
[B]
(i) and (iii)
[C]
(ii) and (iv)
[D]
(iii) and (iv)
(6)
Which out of the following processes does not lead to the formation of clones:
[A]
Fertilisation
[B]
Fission
[C]
Tissue culture
[D]
Fragmentation
(7)
The ratio of number of chromosomes in a human zygote and a human sperm is:
[A]
2 : 1
[B]
3 : 1
[C]
1 : 2
[D]
1 : 3
(8)
In which of the following mammal estrous cycle is absent:
[A]
cow
[B]
horse
[C]
monkey
[D]
rabbit
(9)
Identify the incorrect statement.
[A]
In asexual reproduction, the offspring produced are morphologically and genetically identical to the parent
[B]
Zoospores are sexual reproductive structures
[C]
In asexual reproduction, a single parent produces offspring with or without the formation of gametes
[D]
Conidia are asexual structures in Penicillium
Answer: Zoospores are sexual reproductive structures
(10)
Asexual reproductive structure of sponge:
[A]
gemmules
[B]
conidia
[C]
bulb
[D]
none of these
(11)
Which of the following is developed by parthenogenesis:
[A]
Drones
[B]
queen honey bee
[C]
worker honey bee
[D]
both b and c
(12)
Which of the following is formed immediately after fertilization
[A]
morula
[B]
blastula
[C]
zygote
[D]
foetus
(13)
The process which results the formation of zygote
[A]
Isogamy
[B]
Anisogamy
[C]
Triple fusion
[D]
Syngamy
(14)
Which of the following is not an asexual reproductive structure?
[A]
zoospores
[B]
pollen
[C]
buds
[D]
conidia
(15)
Parthenogenesis is the development of an organism directly from:
[A]
Female gametes
[B]
Vegetative cells
[C]
Fertilized ovum
[D]
None of these
(16)
Parthenogenesis is the development of an organism directly from:
[A]
Female gametes
[B]
Vegetative cells
[C]
Fertilized ovum
[D]
None of these
(17)
Which of the following organism reproduces by multiple fission?
[A]
Euglena
[B]
Paramecium
[C]
Trypanosoma
[D]
Plasmodium
(18)
Which type of stem modification is seen in banana?
[A]
stem tuber
[B]
bulb
[C]
corn
[D]
rhizome
(19)
Which animals have developed capacity of regeneration ?
[A]
Hydra, Starfish
[B]
Plasmodium
[C]
Leech
[D]
Paramoecium
(20)
Sporulation occurs in...........
[A]
Plasmodium
[B]
Hydra
[C]
Starfish
[D]
Spongilla
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