Test: Natural Resources - 3


25 Questions MCQ Test Science Class 9 | Test: Natural Resources - 3


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This mock test of Test: Natural Resources - 3 for UPSC helps you for every UPSC entrance exam. This contains 25 Multiple Choice Questions for UPSC Test: Natural Resources - 3 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Natural Resources - 3 quiz give you a good mix of easy questions and tough questions. UPSC students definitely take this Test: Natural Resources - 3 exercise for a better result in the exam. You can find other Test: Natural Resources - 3 extra questions, long questions & short questions for UPSC on EduRev as well by searching above.
QUESTION: 1

Major protein of connective tissue is:

Solution:

The organic portion or protein fibers found in connective tissues are either collagen, elastic, or reticular fibers. Collagen fibers provide strength to the tissue, preventing it from being torn or separated from the surrounding tissues.

QUESTION: 2

Light bands of muscle fibre are made of the protein:

Solution: Muscles are composed of bundles of single large cells (called muscle fibers) that form by cell fusion and contain multiple nuclei. Each muscle fiber contains many myofibrils, which are bundles of actin and myosin filaments organized These bands correspond to the presence or absence of myosin filaments.
QUESTION: 3

Canaliculi are found associated with:

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QUESTION: 4

Processes from osteoblasts are found in :

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QUESTION: 5

The bone marrow is composed of :

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QUESTION: 6

The longitudinal canals of the bone are called :

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QUESTION: 7

Volkmann's canals occur in :-

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QUESTION: 8

A tissue is a :

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QUESTION: 9

Endothelium of the inner surface of blood vessels in vertebrates is formed

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QUESTION: 10

Cells of squamous epithelium are

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QUESTION: 11

The protein deposited in the dead superficial cells that make the skin epithelium impervious to water is

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QUESTION: 12

Horns of most mammals are composed of

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QUESTION: 13

Mammary glands are modified

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QUESTION: 14

Which of the following tissue has matrix, that is the source of its structural and functional performances?

Solution:
QUESTION: 15

Wrinkling in old age is due to

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QUESTION: 16

Dermis of mammalian skin is mainly composed of

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QUESTION: 17

Fat is abundant in

Solution:

Adipose tissue, or fat, is an anatomical term for loose connective tissue composed of adipocytes.

Its main role is to store energy in the form of fat, although it also cushions and insulates the body.

Obesity in animals, including humans, is not dependent on the amount of body weight, but on the amount of body fat - specifically adipose tissue.

QUESTION: 18

Tendon connects

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QUESTION: 19

Cartilage is produced by

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QUESTION: 20

Bone forming cells are

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QUESTION: 21

Bone marrow is important for

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QUESTION: 22

Haversian system is typically found in bones of

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QUESTION: 23

Blood is

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QUESTION: 24

Mammalian erythrocytes are

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QUESTION: 25

Life span of RBC is

Solution:

RBC's also known as red blood cells are formed in the bone marrow by erythropoiesis. They have an average lifespan of 120 days.  After ageing, they are selectively recognized in the spleen, liver and lymph nodes by macrophages followed by phagocytosis. This process is called eryptosis
So, the correct answer is '120 days'.

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