This practice test includes 25 questions from the chapter Reproduction in organism class 12. It is useful for NEET aspirants as well as 12th-class students.
Reproduction in organisms- (Class 12th Biology) Revision Test | MCQs For NEET
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Total: 25 Questions
Questions
Q1.
Which of the following groups is formed only of the hermaphrodite organisms?
📘 Explanation:
roundworm, housefly, frog, seahorse aren’t hermaphrodite
Q2.
Which of the following options shows bisexual animals only?
📘 Explanation:
Amoeba,cockroach, honeybee,Tapeworm aren’t bisexual.
Q3.
Read the following statements and select the incorrect one.
📘 Explanation:
Sponges and coelenterates are bisexual animals
Q4.
Meiosis does not occur in
📘 Explanation:
It occurs in all except asexually reproducing diploid individuals
Q5.
A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________gametes.
📘 Explanation:
haploid, haploid
Q6.
Which of the following organisms has the highest number of chromosomes?
📘 Explanation:
Ophioglossum has 1260 chromosomes.
Q7.
In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
📘 Explanation:
20
Q8.
If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
📘 Explanation:
190
Q9.
In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is
📘 Explanation:
pollination is the only method to bring fertilisation
Q10.
In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?
📘 Explanation:
brinjal sepals do not fall off after fertilisation and remain attached to the fruit
Q11.
The wall of the ovary forms
📘 Explanation:
both (a) and (b).
Q12.
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
📘 Explanation:
Because offspring do not possess exact copies of parental DNA
Q13.
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
Q14.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
📘 Explanation:
nodes have meristematic cells
Q15.
There is no natural death in single celled organisms like Amoeba and bacteria because
📘 Explanation:
because parental body is distributed among the offspring
Q16.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
📘 Explanation:
It depends on the organisms habitat, physiology and genetic makeup.
Q17.
Which of the following is a post-fertilisation event in flowering plants?
📘 Explanation:
Only Embryo development comes under post fertilisation event.
Q18.
The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
📘 Explanation:
20
Q19.
The growth phase of an organism before attaining sexual maturity is referred to as
📘 Explanation:
both (a) and (b)
Q20.
Select the monocarpic plant out of the following.
📘 Explanation:
Bamboo is the monocarpic plant
Q21.
Clear cut vegetative, reproductive and senescent phases cannot be observed in
📘 Explanation:
In perennial Clear cut vegetative, reproductive and senescent phases
Q22.
Strobilanthus kunthiana flowers once in
📘 Explanation:
12 years
Q23.
Strobilanthus kunthiana differs from bamboo in
📘 Explanation:
length of juvenile phase
Q24.
Oestrous cycle is reported in
📘 Explanation:
Rest doesn’t show oestrous cycle
Q25.
Which of the following animals show menstrual cycle?
📘 Explanation:
All of these
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