NSO Level 1- Science Olympiad (SOF) Class 10: Questions 397 - 401 of 986

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Question number: 397

» Heredity and Evolution

Edit
MCQ▾

Question

Identify incorrect option

According to Darwin’s theory of evolution

Choices

Choice (4) Response

a.

A scientific theory is explanation of natural events that’s is supported by evidence

b.

Theory explained earth’s biodiversity

c.

Evolution or change over time is the process by which modern organisms have descended from ancient organisms

d.

All a. , b. and c. are correct

Question number: 398

» Electricity

Edit
MCQ▾

Question

The SI unit of power is watt. Watt is equal to

Choices

Choice (4) Response

a.

Current per volt

b.

Volt per second

c.

Joule per second

d.

Question does not provide sufficient data or is vague

Question number: 399

» Heredity and Evolution

Edit
MCQ▾

Question

The extent to which the fitness of an individual is below the optimum for the population as a whole due to the deleterious alleles that the individual carries in its genome is known as

Choices

Choice (4) Response

a.

Adaptation

b.

Genetic load

c.

Gene Flow

d.

Selection

Question number: 400

» Electricity

Edit
MCQ▾

Question

Three identical bulb are connected to a battery as shown in figure. When the circuit is closed by means if the switch S, it is found that

Three identical bulb

Three Identical Bulb

Three identical bulb

Choices

Choice (4) Response

a.

X will be bright, but Y and Z dim

b.

X, Y and Z, All will be equally bright

c.

Z will be bright, but Y and X

d.

Y and Z will immediately burn out

Question number: 401

» Reproduction in Organisms

Edit
Matching-Pair▾

Question

Find the pair which does not match:

Choices

Choice (4) Response

a.

Grafting

Tomato

b.

Budding

Yeast

c.

Cutting

Bananas

d.

Layering

Hydra

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