First mammals appeared in the period - Vidyadip

MCQ

First mammals appeared in the period

✓
Triassic
B
Jurassic
C
Cretaceous
D
Tertiary

✓

Answer

Correct option: A.

Triassic

a
It's Obvious

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 12 - 6. evolution→STD 12 - 6. evolution — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Read the following four statements $(A-D)$.

$(A)$ Colostrum is recommended for the new born because it is rich in antibody.

$(B)$ Chikungunya is caused by a Gram negative bacterium.

$(C)$ Tissue culture has proved useful in obtaining virusfree plants.

$(D)$ Beer is manufactured by distillation of fermented grape juice. How many of the above statements are wrong?

Plasmid are suitable vectors for gene cloning because

Which of the following statement is correct about $DNA$ polymerase?

Which parks of Meghalaya is the last refuge of many rare and endangered plants.

In a typical nucleosome if Adenine are $10$ then how many Guanine are present ?

Given below are two statements: one is labelled as Assertion $A$ and other is labelled as Reason $R$.

Assertion $A$ : Amniocentesis for sex determination is one of the strategies of Reproductive and Child Health Care Programme.

Reason $R$ : Ban on amniocentesis checks increasing menace of female foeticide.

In the light of the above statements, choose the correct answer from the options given below.

By which bond linked for nitrogen base with OH group of first carbon of pentose sugar ?

A population is in Hardy- weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allele $A$ is $0.7$, the genotype frequency of $Aa$ is

............. Technology is useful in Vaccines production

The theory of evolution indicates that