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 1441: The feature that links birds to reptiles in evolution is the possession of
Options:
A) feathers
B) break
C) skeleton
D) scales
Show Answer
The correct answer is D .
-
Question 1442: Grasses recover quickly from bush fires in the savanna because of their
Options:
A) perennating organs
B) rapid growth rate
C) fibrous roots
D) succulent stems
Show Answer
The correct answer is C .
-
Question 1443: The transect method can be used in ecology to show the
Options:
A) Number of plants and animals in a habitat
B) Population of a particular plant species
C) Distribution of organisms along a line
D) Heights of trees in section of a forest
E) Number of young plants across a forest
Show Answer
The correct answer is A .
-
Question 1444: In lizards, the lowering of the gular fold is used to
Options:
A) catch insects
B) attract mates
C) defend their territory
D) frighten enemies
Show Answer
The correct answer is B .
-
Question 1445: One of the following is called emergency hormone in man.
Options:
A) Adrenalin
B) Prolactin
C) Testosterone
D) Thyroxine
Show Answer
The correct answer is A .
-
Question 1446: Which of these is not a function of the mammalian skin/
Options:
A) Protection against bacteria infection
B) Excretion of waste and water
C) Production of vitamin d when exposed to sun light
D) production of pigments to reduce temperature
E) Regulation of body temperature
Show Answer
The correct answer is D .
-
Question 1447: The essential structural difference between hydra and tapeworm is that while Hydra
Options:
A) has tentacles, tapeworm is parasitic
B) is diploblastic, tapeworm is triplobastic
C) has a mouth, tapeworm feeds by suckers
D) has mesoderm, tapeworm has mesogloea
Show Answer
The correct answer is B .
-
Question 1448:
In genetic counseling, a man with hemoglobin formation HbAHbS is most preferred to marry a woman of?
Options:
A) HbA HbA
B) HbC HbH
C) HbM HbF
D) HbS HbS
Show Answer
The correct answer is A .
-
Question 1449:
Use the diagram above to answer this question.
Insulin is produced by the endocrine organ labelled
Options:
A) IV
B) III
C) II
D) I
Show Answer
The correct answer is B .
-
Question 1450:
The type of joint at the point labelled 5 is the
Options:
A) pivot joint
B) gliding joint
C) ball and socket joint
D) hinge joint
Show Answer
The correct answer is D .