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Question 41
A
Inhaled air contains more carbon dioxide that exhaled air  
B
Exhaled air contains more carbon dioxide than inhaled air  
C
Exhaled air is warm and contains water vapour  
D
Movement of diaphragm aids respiration. 
Explanation.
Share Answer Human being inhaled air from the environment, the larger part of the air is oxygen and after different process (respiration), human being exhale gas which is majorly carbon dioxide (A).

Correct Option:
A

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Question 42
A
Curd  
B
Chyme  
C
Glycogen  
D
Roughage 
Explanation.
Share Answer The wall of the stomach are muscular and regular peristaltic movement chum up the food, mixing it thoroughly with the gastric juice. By the time it is ready to leave the stomach the food looks like a watery paste called CHYME (C).

Correct Option:
C



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Question 45
A
Can neither reproduce asexually nor sexually  
B
Can not survive in their respective environments  
C
Do not posses characteristics transmutable from one generation to the next  
D
Can neither respire nor excretes. 
Explanation.
Share Answer Although they have no means of propelling themselves they can reproduce and have characteristics which are transmitted form one generation to the next. They can only replicate inside the living host (B).

Correct Option:
B

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Question 46
A
Quill and filoplumes  
B
Down and filoplumes  
C
Covert and down  
D
Quill and covert 
Explanation.
Share Answer The possession of feather is the most obvious difference between birds and other vertebrates. At the base of the vane, the barbules do not interlock and the barbs form a small tuft called the after shaft. Convert and down possession shaft (C).

Correct Option:
C

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Question 47
A
Refracting media  
B
Conjunctiva  
C
Cornea  
D
Sciara 
E
choroid coat 
Explanation.
Share Answer The middle layer (choroid coat). Choroid Is pigmented and contain many capillaries and it’s the nutritive layer of the eye

Correct Option:
E

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Question 48
A
Bowman’s Capsule  
B
Pelvis  
C
Loop of Henle  
D
Proximal Convulated Tubule 
Explanation.
Share Answer It was found that the fluid in the capsular space has almost exactly the same composition as blood plasma means the plasma proteins. It seems that the capsular fluid is formed by a process of ultra — filtration from ‘the glomerular capillarus (i.e Ultra — filtration takes place in the Bowman’s capsule) (A)

Correct Option:
A

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Question 49
A
Olearanon  
B
Ulna  
C
Tibia  
D
Humerus 
Explanation.
Share Answer Ulna and Radius articulates at the elbow with the humerous at the fore limbs. Tibia belongs to the hind — limbs (C).

Correct Option:
C

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Question 50
A
Protandry  
B
Epigyny  
C
Hypogyny  
D
Protogyny 
Explanation.
Share Answer In protandry, the stamens (Anthers ) ripen first and shed their pollen before the stigma Is matured (A).

Correct Option:
A

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