NSO Level 1- Science Olympiad (SOF) Class 10: Questions 365 - 369 of 986

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Question 365

Question

MCQ▾

In periodic table, Calcium is found in which group?

Choices

Choice (4)Response

a.

12

b.

2

c.

9

d.

15

Question 366

Question

MCQ▾

Destructive distillation is

Choices

Choice (4)Response

a.

The thermal decomposition of materials at elevated temperatures in an inert atmosphere

b.

The chemical process of convert chemical structure

c.

The bonding of atoms of the same element into a series,

d.

The chemical process of the decomposition of feedstock by heating it to a high temperature

Question 367

Question

MCQ▾

Which is the incorrect example of homologous organs?

Choices

Choice (4)Response

a.

Wind of bat

b.

Forelimb of horse

c.

Wings of bird

d.

Paw of a cat

Question 368

Question

MCQ▾

What is the following statement is incorrect for sex chromosomes in human?

Choices

Choice (4)Response

a.

The nuclei of human cells contain 22 autosomes and 2 sex chromosomes

b.

Males have only a single X chromosome

c.

A female has two X chromosomes but no Y chromosomes

d.

Male have a mismatched pair of sex chromosomes in which Y is short one and X is normal sized

Question 369

Question

MCQ▾

________ are bright and cheerful succulents with thick green leaves and vivid pink flowers

Choices

Choice (4)Response

a.

Rhizopus

b.

Bryophyllum

c.

Kalanchoe

d.

Question does not provide sufficient data or is vague

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