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 271: Plants that survive in marine habitats are called
Options:
A) halophytes
B) hydrophytes
C) mesophytes
D) xerophytes
Show Answer
The correct answer is A .
-
Question 272: The mammalian lung is made air tight by the
Options:
A) pleural cavity
B) mucous membrane
C) pleural membrane
D) diaphragm
Show Answer
The correct answer is C .
-
Question 273: The largest amount of yolk is found in the egg of
Options:
A) amphibians
B) pisces
C) repitles
D) aves
Show Answer
The correct answer is D .
-
Question 274: The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by
Options:
A) birds and reptiles
B) fishes and birds
C) reptiles and fishes
D) birds and molluscs
Show Answer
The correct answer is A .
-
Question 275: One common characteristic of fungi, algae, mosses and ferns is that they
Options:
A) show alternation of generations
B) reproduce sexually by conjugation
C) produce spores that are dispersed
D) possess chlorophyll in their tissues
Show Answer
The correct answer is C .
-
Question 276:
How many days does it take for incubation of an egg to release chick?
Options:
A) 21
B) 22
C) 20
D) 23
Show Answer
The correct answer is A .
-
Question 277: The hormones which regulates the amount of glucose in the blood is called
Options:
A) adrenalin
B) auxin
C) insulin
D) thyroxine
Show Answer
The correct answer is C .
-
Question 278: An individual in the AB blood group is a universal recipient for blood donation because
Options:
A) all the red blood cells do not carry antigen
B) all the red blood cells carry antigen
C) all the red blood cells carry antigen
D) there are no anti-A and anti-B antibodies in the serum
Show Answer
The correct answer is D .
-
Question 279:
Which of the statements below is not characteristic of wind-pollinated flowers?
Options:
A) Stigmas are usually large and feathery
B) Nectary is usually absent
C) The pollen grains have rough spiny surfaces
D) The flowers are not scented.
Show Answer
The correct answer is C .
-
Question 280:

Use the diagram above to answer this question.
The content of the part labelled lll is usually
Options:
A) neutral
B) alkaline
C) acidic
D) saline
Show Answer
The correct answer is C .