Year : 
1981
Title : 
Biology
Exam : 
JAMB Exam

Paper 1 | Objectives

31 - 40 of 49 Questions

# Question Ans
31.

An instrument used in measuring the speed of wind is

A. a barometer

B. a wind gauge

C. a wind vane

D. an anemometer

E. a hydrometer

D

32.

In which of the following plants is swollen shoot disease common?

A. Groundnut

B. cocoa

C. Corn

D. Cotton

E. Rubber

B

33.

One common feature of the fungi, algae, mosses and ferns is that they

A. are photosynthetic

B. show alternation of generation

C. reproduce by means of conjugation

D. can survive dry conditions

E. have no seeds

E

34.

The deficiency of vitamin D leads to

A. scurvy

B. pellagra

C. rickets

D. beriberi

E. polio

C

35.

Which of these substance is likely to be deficient in the diet of a person having goitre?

A. potassuim

B. calcium

C. iodine

D. sodium

E. Phosphorus

C

36.

Growing yam tendrils climb for support. This growth response is

A. haptotropism

B. geotropism

C. phototropism

D. hydrotropism

E. chemotropism

Detailed Solution

- Haptotropism / thigmotropism is the movement or change in orientation of a plant's growth as a reaction to touch. The orienting factor is generally a hard surface that can change the direction of the plant's growth or the growth of one of its organs.
- The movement of parts of a plant (especially tendrils) in response to a touch stimulus.

37.

Soil is said to be fertile if

A. It is black

B. it can supply usable nutrients to plants

C. the oxygen content is very high

D. artificial manure is added to it

E. it is not waterlogged

B

38.

A plant which has a horizontal underground stem is

A. rhizome

B. corm

C. creeper

D. tuber

E. bulb

A

39.

The hepatic portal vein is unique because it

A. carries deoxygenated blood

B. begins and ends with capillaries

C. is the largest vein in mammals

D. carries digested food

E. is the shortest vein in mammals

D

40.

The functional unit of a mammalian kidney is the

A. urethra

B. malphigian capsule

C. glomerulus

D. nephron

E. ureter

D

31.

An instrument used in measuring the speed of wind is

A. a barometer

B. a wind gauge

C. a wind vane

D. an anemometer

E. a hydrometer

D

32.

In which of the following plants is swollen shoot disease common?

A. Groundnut

B. cocoa

C. Corn

D. Cotton

E. Rubber

B

33.

One common feature of the fungi, algae, mosses and ferns is that they

A. are photosynthetic

B. show alternation of generation

C. reproduce by means of conjugation

D. can survive dry conditions

E. have no seeds

E

34.

The deficiency of vitamin D leads to

A. scurvy

B. pellagra

C. rickets

D. beriberi

E. polio

C

35.

Which of these substance is likely to be deficient in the diet of a person having goitre?

A. potassuim

B. calcium

C. iodine

D. sodium

E. Phosphorus

C

36.

Growing yam tendrils climb for support. This growth response is

A. haptotropism

B. geotropism

C. phototropism

D. hydrotropism

E. chemotropism

Detailed Solution

- Haptotropism / thigmotropism is the movement or change in orientation of a plant's growth as a reaction to touch. The orienting factor is generally a hard surface that can change the direction of the plant's growth or the growth of one of its organs.
- The movement of parts of a plant (especially tendrils) in response to a touch stimulus.

37.

Soil is said to be fertile if

A. It is black

B. it can supply usable nutrients to plants

C. the oxygen content is very high

D. artificial manure is added to it

E. it is not waterlogged

B

38.

A plant which has a horizontal underground stem is

A. rhizome

B. corm

C. creeper

D. tuber

E. bulb

A

39.

The hepatic portal vein is unique because it

A. carries deoxygenated blood

B. begins and ends with capillaries

C. is the largest vein in mammals

D. carries digested food

E. is the shortest vein in mammals

D

40.

The functional unit of a mammalian kidney is the

A. urethra

B. malphigian capsule

C. glomerulus

D. nephron

E. ureter

D