Question 1 of 20 5,032 total questions
In vascular plants, the sieve tubes and companion cells are present in the
A cambium
B cortex
C xylem
D phloem
A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because
A Amoeba lives in freshwater
B Diffusion is sufficient to transport materials in Amoeba
C Amoeba lacks blood containing haemoglobin
D Amoeba exibits anaerobic respiration
i2/1, c0/0, pm3/2, m3/3. The general formula above represent that of
A an omnivore
B a detritus feeder
C a carnivore
D a herbivore
Which of the following is an aboreal organism?
A Elephant
B Fish
C Antelope
D Bird
Seed plants are the most dominant vegetation on land because of
A their motile gamates
B their ability to photosynthesize
C efficient seed dispersal
D availability of water
In bryophytes, sex organs are produced in the
A protonema
B sporophyte
C gametophyte
D rhizoid
Which of the following organisms is multicellular?
A Chlamydomonas
B Spirogyra
C Amoeba
D Euglena
Which of the following is the most complex according to their cellular level of organization?
A Heart
B Hair
C Euglena
D Hydra
The lowest level of organization in living organisms is
A organ
B cell
C system
D tissue
Darwin noticed that organisms in similar habitats across the world looked alike. This illustrates
A convergent evolution
B adaptive radiation
C co-evolution
D descent with modification
A scientist who was involved in the development of evolution theory is
A lamarck
B mendel
C morgan
D pasteur
Which of the following features is used by chameleons to escape predation?
A fearsome appearance
B coiling tail
C offensive smell
D adaptive colouration
The function of the drone in a colony of bees is to
A clean the cells
B mate with the queen
C protect the colony
D lay eggs
Which of the following structures is only formed during cell division in animal cells?
A Cell memberane
B Cytoplasm
C Centrosome
D Ribosome
Which of the following traits may be considered in marriage counseling?
A Height
B Fingerprints
C Rhesus factor
D Colour of skin
A man's who suffers from haemophilia marries a woman who is a carrier, what percentage of their children are likely to be haemophilie?
If a boy has blood type O and his mother has blood type A,what is the genotype of his father?
The gene that is only located on X-choromosome is said to be
A expressed in females only
B defective
C sex-linked
D expressed in males only
When a man who is Rh-positive marries a woman who is Rh-negative, there will be incidence of
A still births
B sicklers
C albinos
D living children
A man's blood group is AB. What is the probability of the man giving birth to a child with blood group O?
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