Biology Exam Essay

Passage:
In each of the following Questions, select the related letter/word/number from the given alternatives.

1. Snake : Frog : : Frog: ?

(A) Snake
(B) Insects
(C) Python
(D) Tadpole

Answer: B
Explanation:
Snake eats frog, frog eats Insects.

2. Fear : Threat : : Anger : ?

(A) Helplessness
(B) Teasing
(C) Incite
(D) Force

Answer: C
Explanation:
Threat causes fear. In the same way incite causes anger.

Passage:
Find the odd number/letters/ number from the given alternatives.

3.

(A) Mahanadi
(B) Cauvery
(C) Narmada
(D) Krishna

Answer: C
Explanation:
Except Narmada, all three rivers fall in the Bay of Bengal

4.

(A) Pond-Lake
(B) Pistol-Gun
(C) Car- Bus
(D) Church-Monument

Answer: D
Explanation:
Water is available in both pond and lake, Bullets. Both available in both pistol and Gun. Both car and bus

4x = 228
4x ? 2x = 284 -228
2x = 56
X = 56/2 =28
The required number of hens = 28

32. What would be the compound interest accrued on an amount of Rs.45400 at the end of two years at the ratio of 15 p.c.p.a.?

(A) Rs.16411.5
(B) Rs.14461.5
(C) Rs.16461.5
(D) Rs.14641.5

Answer: D
Explanation:
Compound Interest = Principal (??1+ r/100)n?? Principal
????????????????????????????????= 45400 ( 1 + 15/100)? - 45400
???????????????????????????????= 45400 ? 115/100 ? 115/100 ? 45400
??????????????????????????????= 45400 ? 23/20 ? 23/20 ? 45400
?????????????????????????????= 454 ? 23 ? 23/ 2 ? 2 ? 45400 = 60041.5 ? 45400 = Rs.14641.5?

33. Rajeev consistently runs 415 metres every day except on Sunday when he runs 500 metres. How many kilometres will he run in two weeks? (In this Question the week starts from Monday.)

(A) 5.98 km
(B) 5.86 km
(C) 5.96 km
(D) 5.88 km
(E) None of these

Answer: A
Explanation:
Total distance covered in 2 weeks (i.e 14 days or 12 days + 2 Sunday)
= 12 ?415+2?500=4980+1000
= 5980m
= 5.98