Question 1 of 20 49 total questions
The transfer of pollen grains from the anther to a sigma is
A propagation
B placentation
C pollination
D fertilization
The chitin in the exoskeleton of many arthropods is strengthened by
A lids
B proteins
C calcium compounds
D organic salt
The main structure in vertebrates that supports and protects the body is the
A skeleton
B ligament
C muscle
D joint
Which of the following is a waste product of an insect?
A Alkaloids
B Uric acid
C Sweat
D Mucilage
Which of the following forms about 55% of the volume of the blood in man?
A leucocytes
B platelets
C plasma
D erythrocytes
The part of the mammalian skin involved in excretion is the
A sweat glands
B malpighian layer
C sebaceous gland
D horny layer
Which of the following helps in the clotting of blood?
A Red blood cells
B White blood cells
C Plasma
D Platelets
A plant tissue that carries water and mineral salts is the
A cambium
B xylem
C cortex
D phloem
The blood circulatory system of vertebrates consists of
A heart, arteries, capillaries and veins
B heart, aorta, capillaries and veins
C heart, aorta, arteries and veins
D heart, vena cava, arteries, and veins
Which blood cell are involved in the immune response of vertebrates?
A Phagoecytes
B lymphocytes
C erythrocytes
D monocytes
An example of a parasitic protozoan is
A Paramecium
B Plasmodium
C Eughlena
D Chlamydomonas
Fungi are referred to as hetotrophs because they
A are filamentous
B lack chlorophyll
C have mycelium
D lack roots
The process of transforming the chemical energy of cellular fuels into the high energy bonds of ATP in plants is
A autotrophism
B photosysnthesis
C photolysis
D respiration
Plants that have special devices for trapping and digesting insects are
A carnivorous
B symbiotic
C parasitic
D saprophytic
The enzyme that is present in the saliva is
A rennin
B lipase
C pepsin
D ptyalin
Movement of minerals and chemical compounds with a plant occurs during
A osmosis
B translocation
C transpiration
D diffusion
During the manufacture of food by plants, which of the following organism use energy from the sun?
A anabaena
B sulfur bacteria
C nitrosomonas sp
D nitrobacter sp
The long and sharp clawed feet of birds is an adaptation for
A crushing seeds
B scooping mud
C tearing flesh
D grasping prey
The structural adaptation of desert plants for water conservation is
A broad leaves with numerous stomata
B spongy mesophyll
C spiny leaves
D prominent stomata in leaves
Proboscis is a structure that is mostly found in
A insects
B tapeworms
C amphibians
D molluses
Next
Question Navigator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
