Year : 
1998
Title : 
Biology
Exam : 
JAMB Exam

Paper 1 | Objectives

11 - 20 of 50 Questions

# Question Ans
11.

Which of the following structures is capable of producing more tissues in the stem of a herbaceous flowering plant?

A. Epidermis

B. Pericycle

C. Xylem

D. Cambium

D

12.

The manufacture of carbohydrates by plants takes place only in

A. the leaves

B. the green stems

C. chlorophyllous parts

D. flowering plants

C

13.

In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in

A. copper

B. iron

C. magnesium

D. calcium

B

14.

In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns

A. blue on heating

B. yellow on heating

C. green on heating

D. red on heating

D

15.

Regulation of blood sugar level takes place in the

A. pancreas

B. iluem

C. liver

D. kidney

Detailed Solution

The pancreas produces the hormone insulin and secretes it into the bloodstream, where it regulates the body's glucose or sugar level. The islets of Langerhans are responsible for regulating blood glucose. They are groups of specialized cells in the pancreas that make and secrete hormones.
16.

Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have

A. a large volume of surface area ratio

B. a large surface area to volume ratio

C. their bodies immersed in the nutrients

D. their outer membrane made of cellulose

B

17.

The heart of the adult frog consist of

A. two auricles and two ventricles

B. one auricle and one ventricle

C. two ventricle and one auricle

D. one ventricle and two auricles

D

18.

In adult mammalian blood, the cells which lack nuclei are the

A. erythrocytes

B. lymphocytes

C. leucocytes

D. phagocytes

A

19.

Which of following movements occur during exhalation?

A. The diaphragm and intercostal muscles relax

B. The thoracic cavity increases in volume

C. The diaphragm and intercostal muscles contract

D. The diaphragm contracts and the intercostal muscle relax

A

20.

In which of the following groups of animals is the malpighian tubule found?

A. Lizards, snakes and frogs

B. Crickets, houseflies and grasshoppers

C. Millipedes, centipedes and scorpions

D. earthworms, roundworms and flatworms

B

11.

Which of the following structures is capable of producing more tissues in the stem of a herbaceous flowering plant?

A. Epidermis

B. Pericycle

C. Xylem

D. Cambium

D

12.

The manufacture of carbohydrates by plants takes place only in

A. the leaves

B. the green stems

C. chlorophyllous parts

D. flowering plants

C

13.

In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in

A. copper

B. iron

C. magnesium

D. calcium

B

14.

In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns

A. blue on heating

B. yellow on heating

C. green on heating

D. red on heating

D

15.

Regulation of blood sugar level takes place in the

A. pancreas

B. iluem

C. liver

D. kidney

Detailed Solution

The pancreas produces the hormone insulin and secretes it into the bloodstream, where it regulates the body's glucose or sugar level. The islets of Langerhans are responsible for regulating blood glucose. They are groups of specialized cells in the pancreas that make and secrete hormones.
16.

Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have

A. a large volume of surface area ratio

B. a large surface area to volume ratio

C. their bodies immersed in the nutrients

D. their outer membrane made of cellulose

B

17.

The heart of the adult frog consist of

A. two auricles and two ventricles

B. one auricle and one ventricle

C. two ventricle and one auricle

D. one ventricle and two auricles

D

18.

In adult mammalian blood, the cells which lack nuclei are the

A. erythrocytes

B. lymphocytes

C. leucocytes

D. phagocytes

A

19.

Which of following movements occur during exhalation?

A. The diaphragm and intercostal muscles relax

B. The thoracic cavity increases in volume

C. The diaphragm and intercostal muscles contract

D. The diaphragm contracts and the intercostal muscle relax

A

20.

In which of the following groups of animals is the malpighian tubule found?

A. Lizards, snakes and frogs

B. Crickets, houseflies and grasshoppers

C. Millipedes, centipedes and scorpions

D. earthworms, roundworms and flatworms

B