Question 1 of 20 50 total questions
In a mammal, the placenta performs functions similar to those to the
A lungs kidneys and digestive system
B lungs, heart and nervous system
C liver, intestines and reproductive system
D intestine, heart and digestive system
Which of these plants groups are normally propagated by asexual means?
A Banana, yam, pineapple and cassava
B Yam, cassava, rubber and banana
C Yam, cassava, orange and banana
D Banana, cashew, coffee and pineapple
In vegetation propagation, which of the following requires part of another plant to develop?
A Scion
B Bulb
C Rhizome
D Sucker
Airspace are characteristic of seeds of fruits dispersed by
A birds
B water
C wind
D explosive mechanism
A dry dehiscent fruit which breaks up into one-seeded part is a
A schizocarp
B capsule
C follicle
D legume
Taxism differs from tropism because
A the whole organism is affected
B it is a directional movement
C it is a response to multi directional stimuli
D part of the organism is affected
Parenchyma cells are serves as supporting tissue when they
A contain chloroplast
B have crystals
C become flaccid
D become turgid
The skin, through the sweat glands, function as
A an excretory organ
B a respiratory organ
C a sensory organ
D a protective organ
In the kidney, the malpighian corpuscles is located in the
A medulla
B hilium
C cortex
D pelvis
The main waste products formed in plants are
A alkaloids tannins and resins
B water, alkaloids and carbondioxde
C oxygen, carbondioxide and alkaloids
D water, carbondioxide and oxygen
In the mammalian respiratory system, exchange of gases occurs in the
A lungs
B bronchi
C bronchioles
D alveoli
If the phloem of a healthy plant is killed by heat treatment the
A the upward movement of salt will cease
B food manufactured in the leaves will accumulate
C whole plant will die immediately
D leaves of the plant will become yellow
Which of the following will be first digested if ingested at the same time?
A Cooked beans
B Cooked rice
C cod liver oil
D Roasted beef
If the gall bladder of a mammal is damaged, which of the following will be most seriously affected?
A Glycolysis
B Digestion of starch
C Digestion of fats and oil
D Digestion of proteins
If an animal has diastema, it would NOT posses
A incissors
B cannines
C premolars
D molars
In the transverse section of the leaf of maize vascular bundles are arranged in
A a row
B one circle
C alternate position
D two circles
Which of the following statements gives the BEST description of bark?
A Tissue outside the vascular cambium
B Cork-like tissue found only in stems
C Brown tissue never found in primary growth
D Cork-like tissues of old trees
The major function of the swim-bladder in fishes is
A breathing
B buoyancy
C swimming
D diving
Insects and millipede have many features in common EXCEPT
A exoskeleton
B jointed appendages
C compound eyes
D segmented body
Lungs hooks are used for respiration in
A spiders
B insects
C millipedes
D snails
Next
Question Navigator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
