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 231:
In the figure above the structured labelled X is the
Options:
A) cellulose cell wall
B) plasma membrane
C) nuclear membrane
D) mucilage wall
E) ectoplasm
Show Answer
The correct answer is D .
-
Question 232:
Which of the following is the correct classification of carbohydrates?
Options:
A) Lipid
B) Phytonutrient
C) Macronutrient
D) Micronutrient
Show Answer
The correct answer is C .
-
Question 233: The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the
Options:
A) collar bones and coccyx
B) pectoral and pelvic girdles
C) scapulae and clavicles
D) vertebrae and sternum
Show Answer
The correct answer is B .
-
Question 234: Which of the following is most advanced in the evolutionary trend of animals?
Options:
A) Liverfluke
B) Earthworm
C) Snail
D) Cockroach
Show Answer
The correct answer is D .
-
Question 235: Gestation in mammals is the period
Options:
A) required for growth after birth
B) between the formation of the foetus and birth
C) of development from zygote to birth
D) before the formation of the zygote
Show Answer
The correct answer is B .
-
Question 236: Erosion can be reduced along shape by
Options:
A) ridging across slope
B) ridging up slope
C) ridging down slope
D) crop rotation
E) bush fallowing system
Show Answer
The correct answer is A .
-
Question 237: A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?
Options:
A) 100%
B) 75%
C) 50%
D) 25%
Show Answer
The correct answer is C .
-
Question 238: The sequence of ear ossicles from the fenestra ovalis is
Options:
A) malleus, incus and stapes
B) malleus, stapes and incus
C) stapes, incus and malleus
D) stapes, malleuls and incus
Show Answer
The correct answer is C .
-
Question 239: The adaptive importance of nuptial flight from termite colonies is to
Options:
A) disperse the reproductives in order to establish new colonies
B) provide abundant food for birds and other animals during the early rains
C) ensure cross-breeding between members of one colony and another
D) expel the reproductives so as to provide enogh food for other members
Show Answer
The correct answer is A .
-
Question 240: A step in the movement of energy through an ecosystem is a description that best fits the term
Options:
A) food chain
B) trophic level
C) pyramid of numbers
D) food web
Show Answer
The correct answer is B .