NSO Level 1- Science Olympiad (SOF) Class 10: Questions 402 - 408 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 402

» Heredity and Evolution

Edit
MCQ▾

Question

Which of the following is the not correct reason for natural selection?

Choices

Choice (4) Response

a.

Non-random process

b.

Operate on neutral allele

c.

Increase genetic variation

d.

Directional

Question number: 403

» Life Processes

Edit
MCQ▾

Question

The neurons is neither unipolar, nor bipolar, that neurons called

Choices

Choice (4) Response

a.

Unipolar neurons

b.

Pseudo unipolar neurons

c.

Multi polar neurons

d.

Bipolar neurons

Question number: 404

» Periodic Classification of Elements

Edit
MCQ▾

Question

For Modern periodic table, In period, the last elements of the periods is

Choices

Choice (4) Response

a.

Ar

b.

Cl

c.

S

d.

Al

Question number: 405

» Periodic Classification of Elements

Edit
MCQ▾

Question

The oxide of which of the following elements is acidic?

Choices

Choice (4) Response

a.

N

b.

Cl

c.

S

d.

All a. , b. and c. are correct

Question number: 406

» Heredity and Evolution

Edit
MCQ▾

Question

Alleles of different characters separate independent from each other during gamete formation. That is

Choices

Choice (4) Response

a.

Mendel’s First Law

b.

Law of Independent Assortment

c.

Law of Segregation

d.

All of the above

Question number: 407

» Electricity

Edit
MCQ▾

Question

Three equal resistors connected in series across a source of emf together dissipate . If the same resistor are connected in parallel across the same emf, than the power dissipate will be

Choices

Choice (4) Response

a.

140 W

b.

90 W

c.

270 W

d.

320 W

Question number: 408

» Life Processes

Edit
MCQ▾

Question

Given below are the events of photosynthesis. Identify which of the following is/are not correct?

Choices

Choice (4) Response

a.

Photosynthesis is a process used by plants in which energy from sunlight is used to convert carbon dioxide and water into molecules needed for growth

b.

The green chemical chlorophyll absorbs light energy

c.

Conversion of light energy to chemical energy and splitting of carbon dioxide into carbohydrate and oxygen

d.

Oxygen is also produced as a waste product

Developed by: