Tendons through which muscles are connected to bones are tightly

Subject

General Knowledge

Class

NDA Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

The Kashmir region receives additional amount of precipitation during the winter brought by:

  • South-west Monsoon

  • Western Disturbances

  • Retreating Monsoon

  • Temperate Cyclone


12.

Which part of India has the Kalakot tertiary coal field?

  • Brahmaputra river basin of Assam

  • Damodar river basin ofJharkhand and West Bengal

  • Himalayan mountain region

  • Cardamom hills in Kerala


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13.

Tendons through which muscles are connected to bones are tightly compacted bundles of which one of the following long fibrous protein?

  • Fibrin

  • Collagen

  • Elastin

  • Cellulose


B.

Collagen

Collagen is the main structural protein in the extracellular space in the various connective tissues in animal bodies. As the main component of connective tissue, it is the most abundant protein in mammals, making up from 25% to 35% of the whole-body protein content.


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14.

Which one of the following is the scientific name of the causal organism of elephantiasis?

  • Ascaris lumbricoides

  • Culex pipiens

  • Wuchereria bancrofti

  • Fasciola hepatica


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15.

Melanin is the natural pigment that gives colour to human skin, hair and the iris. It provides protection against:

  • Ultraviolet radiation

  • Infrared radiation

  • X-ray radiation

  • Short wave radio radiation


16.

Intake of which one of the following food components should be minimized by patients having Gouty Arthritis due to elevated serum uric acid level?

  • Food fibres

  • Nucleic acids

  • Lipids

  • Carbohydrates


17.

Which one of the following statements about microbes is not correct?

  • They are used in sewage treatment plants.

  • They are used in industrial fermenters for the production of beverages.

  • No antibiotic has been obtained from any microbe.

  • They are used to get many bioactive molecules for the treatment of diseases.


18.

Golden rice is a genetically-modified crop plant where the incorporated gene is meant for biosynthesis of:

  • Omega-3 fatty acids

  • Vitamin A

  • Vitamin B

  • Vitamin C


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19.

An object moves in a circular path with a constant speed. Which one of the following statements is correct?

  • The centripetal acceleration of the object is smaller for a gentle curve (i.e., curve of larger radius) than that for a sharp curve (i.e., curve of smaller radius).

  • The centripetal acceleration is greater for a gentle curve than that for a sharp curve.

  • The centripetal acceleration is the same for both, the gentle and sharp curves.

  • The centripetal acceleration causes the object to slow-down.


20.

The force acting on a particle of mass m moving along the x-axis is given by F(x) = Ax2 - Bx. Which one of the following is the potential energy of the particle?

  • 2Ax - B

  • -x262Ax - 3B

  • Ax3Bx2

  • Zero


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