Questions

Q:

What does the central nervous system consists of?

A) Brain B) Spinal cord
C) Nerves D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

The central nervous system CNS is responsible for integrating sensory information and responding accordingly.

It consists of two main components::

 1. The brain

 2. The spinal cord


The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement. The brain can be divided into four main lobes: temporal, parietal, occipital and frontal.

 

The spinal cord serves as a conduit for signals between the brain and the rest of the body.

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Q:

Veins seen in the leaves, serve the function of

A) Transpiration B) Photosynthesis
C) Storage D) Conduction
 
Answer & Explanation Answer: A) Transpiration

Explanation:

Veins seen in the leaves, serve the function of Transpiration.

Related image

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. 

 

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Q:

What property of matter is momentum related to?

A) mass B) velocity
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

At any given speed, momentum is directly proportional to mass of an object.

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Q:

Speeding is a factor in ___ % of fatal crashes.

A) 30 B) 25
C) 20 D) 15
 
Answer & Explanation Answer: A) 30

Explanation:

Speed has been identified as a key risk factor in road traffic injuries, influencing both the risk of a road crash as well as the severity of the injuries that result from crashes.

Speeding is a factor in 30 % of all fatal accidents.

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Q:

The first lion safari of Rajasthan has come up at which of the following parks?

A) Nahargarh Biological Park B) Keoladeo National Park
C) Sariska Tiger Reserve D) Ranthambore National Park
 
Answer & Explanation Answer: A) Nahargarh Biological Park

Explanation:
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Q:

In what way interrupts are classified in 8085?

Answer

in 8085 the interrupts are classified as Hardware and Software interrupts.

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Q:

Which is the first national park established in India?

A) Kanha National Park B) Keoladeo National Park
C) Jim Corbett National Park D) Jaldapara National Park
 
Answer & Explanation Answer: C) Jim Corbett National Park

Explanation:

Which_is_the_first_national_park_established_in_India1559301595.jpg image

Jim Corbett National Park is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger. It is located in Nainital district of Uttarakhand and was named after Jim Corbett, a well known hunter and naturalist. The park was the first to come under the Project Tiger initiative.

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Q:

The main result of aerobic respiration is the

A) production of lactic acid as an end product B) production of ATP from the breakdown of glucose
C) conversion of radiant energy into chemical energy D) storage of energy in a polysaccharide
 
Answer & Explanation Answer: B) production of ATP from the breakdown of glucose

Explanation:

The three steps within the aerobic respiration process are glycolysis, the citric acid cycle, and oxidative phosphorylation.

Photosynthesis builds glucose, and what was built in photosynthesis is broken down during aerobic respiration.

 

Hence, production of ATP from the breakdown of glucose is the main result of aerobic respiration.

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