Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
-
Question 31:

The above organism can be classified under which phylum in the animal kingdom
Options:
A) Nematoda
B) Chordata
C) Porifera
D) Annelida
Show Answer
The correct answer is B .
-
Question 32: The nephridia in the earthworm form part of the
Options:
A) reproductive system
B) respiratory system
C) circulatory system
D) excretory system
Show Answer
The correct answer is D .
-
Question 33:

The breeding posture illustrated in the diagram is known as
Options:
A) mating
B) amplexus
C) courtship display
D) reproductive swimming
Show Answer
The correct answer is B .
-
Question 34: In mammals, the exchange of nutrients and metabolic products occurs in the
Options:
A) lungs
B) oesophagus
C) trachea
D) lymph
Show Answer
The correct answer is D .
-
Question 35: Which of these products obtained from analyzing sweat from skin is not an excretory product?
Options:
A) water
B) Salts
C) Dust
D) Urea
E) Urates
Show Answer
The correct answer is C .
-
Question 36:

In the diagram, the part labelled I is the
Options:
A) nuclear membrane
B) cell wall
C) endoplasmic recticulum
D) plasmellema
Show Answer
The correct answer is D .
-
Question 37:
Which of the following substances has the highest amount of energy in joules per unit weight?
Options:
A) Carbohydrates
B) Fats
C) Proteins
D) Vitamins
Show Answer
The correct answer is B .
-
Question 38: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is
Options:
A) temperature
B) competition
C) pH
D) light
Show Answer
The correct answer is B .
-
Question 39: The part of the cell solely responsible for respiration is the
Options:
A) nucleus
B) nucleolus
C) mitochondria
D) golgi apparatus
E) endoplasmic reticulum
Show Answer
The correct answer is C .
-
Question 40: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of
Options:
A) wings and segmented body
B) compound eyes
C) claws on the leg
D) dorso-ventrally flattened body
Show Answer
The correct answer is D .