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 471: The part that supplies food from the mother to the foetus is
Options:
A) Amnion
B) Chorion
C) Umbilical Cord
D) Placenta
Show Answer
The correct answer is D .
-
Question 472:
Metamorphosis is a biological process that involves
Options:
A) The growth and development of an organism from a zygote to an adult
B) The change in form and structure during the life cycle of certain organisms
C) The regeneration of lost body parts in an organism
D) The transformation of an organism from an adult stage to a larval stage
Show Answer
The correct answer is B .
-
Question 473: Habitats are generally classified into
Options:
A) biotic and abiotic
B) aquatic and terrestrial
C) aboreal and marine biomes
D) microhabitats and macrohabitats
Show Answer
The correct answer is B .
-
Question 474: The mammalian stomach can carry out a number of processes except
Options:
A) absorption of glucose
B) secretion of hydrochloric acid
C) secretion gastric juice
D) churning of food
E) production of trypsin
Show Answer
The correct answer is E .
-
Question 475:

The type of placentation shown is
Options:
A) axial
B) marginal
C) parietal
D) central
Show Answer
The correct answer is B .
-
Question 476: A severe deficiency of thyroxin results in
Options:
A) diabetes mellitus
B) sexual underdevelopment
C) cretinism
D) gigantism
Show Answer
The correct answer is C .
-
Question 477:

Use the diagram above to answer this question.
Which of the following is a true feature of plantation ll?
Options:
A) it has the highest number of trees of about 2m high.
B) it has highest number of trees
C) it has the highest number of tall trees
D) the height of all its trees range between 2m and 6m
Show Answer
The correct answer is A .
-
Question 478:
Which of the following options correctly identifies excretory organs in animals?
Options:
A) Stomach, intestines, and bladder
B) Lungs, kidneys, and skin
C) Brain, spinal cord, and nerves
D) Heart, liver, and spleen
Show Answer
The correct answer is B .
-
Question 479: Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?
Options:
A) Mosses
B) Ferns
C) Lichens
D) Grasses
Show Answer
The correct answer is C .
-
Question 480: One of the accessory organs of the digestive system is the
Options:
A) Kidney
B) Spleen
C) liver
D) lung
Show Answer
The correct answer is C .