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481.

Match the following :
A. Adrenalin 1. Anger, fear, danger
B. Estrogen 2. Attracting partners through sense of smell
C. Insulin 3. Females
D. Pheromones 4. Glucose
Below options are given in A B C D order
(a)3 1 4 2
(b)1 3 2 4
(c)3 1 2 4
(d)1 3 4 2
Comment
Answer is: D

482.

Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains :
A).
(a)Polyunsaturated fatty acids
(b)Saturated fatty acids
(c)More carbohydrates and proteins
(d)Essential vitamins
Comment
Answer is: A

483.

Match the following:
A. Fruit 1. Ovule
B. Seed 2. Leaf
C. Wood 3. Stem
D. Starch 4. Ovary
A B C D
(a)2 1 3 4
(b)2 3 1 4
(c)4 3 1 2
(d)4 1 3 2
Comment
Answer is: D

484.

Consider the following statements :
1. Frogs can breath by means of lungs only when they are adults
2. Reptiles breath by means of lungs right from the birth
Which of the statements given above is/are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2
Comment
Answer is: C

485.

Which one is useful in the detection of landmines.
(a)Bee
(b)Wasp
(c)Mouse
(d)Parrot
Comment
Answer is: B

486.

The comers of the cells of collenchyma tissue in plants are thickened due to the deposition of :
(a)Lignin and Suberin
(b)Cellulose and Peetin
(c)Chitin and Lignin
(d)Suberin and Cutin
Comment
Answer is: B

487.

Match List-I with List-II and select the correct answer :
A. Malaria 1. Fungi
B. Poliomyelities 2. Bacteria
C. Tuberculosis 3. Virus
D. Ringworm 4. Protozoan
A B C D
(a)4 3 1 2
(b)3 4 2 1
(c)4 3 2 1
(d)3 4 1 2
Comment
Answer is: C

488.

Alpha-keratin is a protein present in :
(a)Blood
(b)Egg
(c)Hair
(d)Wool
Comment
Answer is: D

489.

Consider the following statements :
1. The spider is an insect
2. The spider has eight legs
3. The spider has no wings
Which of these statements is/are correct?
(a)1 and 3
(b)2 and 3
(c)1 and 2
(d)3 only
Comment
Answer is: B

490.

Consider the following worms :
1. Filaira worm
2. Guinea worm
3. Hookworm
4. Pinworm
Which of the above worms are nematodes?
(a)1 and 2
(b)1, 2 and 3
(c)1, 2 and 4
(d)1, 2, 3 and 4
Comment
Answer is: D

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