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12th Standard English Medium Biology (Zoology) Subject Reproduction in Organisms Book Back 1 Mark Questions with Solution Part - I

Published on: 01/06/2021

QB365 provides detailed and simple solution for every book back questions in class 12 Biology subject.It will helps to get more idea about question pattern in every book back questions with solution.

Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 12th Standard - Biology

chapter: - Book back Questions

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Questions:

Multiple Choice Question

4 x 1 = 4

In which mode of reproduction, variations are seen _____.

(a)

Asexual

(b)

Parthenogenesis

(c)

Sexual

(d)

Both a and b

The mode of sexual reproduction in bacteria is by ______.

(a)

Formation of gametes

(b)

Endospore formation

(c)

Conjugation

(d)

Zoospore formation

Animals giving birth to young ones:

(a)

Oviparous

(b)

Oviviviparous

(c)

Viviparous

(d)

Both a and b

In which type of parthenogenesis are only males produced?

(a)

Arrhenotoky

(b)

Thelytoky

(c)

Amphitoky

(d)

Both a and b

Assertion and reason

1 x 2 = 2

In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
Assertion (A) : In bee society, all the members are diploid except drones.
Reason (R) : Drones are produced by parthenogenesis
Codes:
A. If both A and R are true and R is correct explanation for A
B. If both A and R are true but R is not the correct explanation for A
C. If A is true but R is false
D. If both A and R are false.

(a)

If both A and R are true and R is correct explanation for A

(b)

If both A and R are true but R is not the correct explanation for A

(c)

If A is true but R is false

(d)

If both A and R are false