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– selfig / self fertilization as in plants.
– test cross / back cross.
sharon kalunda answered the question on May 27, 2019 at 06:45
- Name the type of response shown by:
a) Leaves of mimosa pudica when they fold after being touched.
b) Euglena when it swims towards the source...(Solved)
Name the type of response shown by:
a) Leaves of mimosa pudica when they fold after being touched.
b) Euglena when it swims towards the source of light.
c) Maggots moving from the lit side of a boiling tube to the side painted black.
Date posted: May 27, 2019. Answers (1)
- Study the diagram shown below of the anterior view of a lumbar vertebra of a mammal.
a) Name the parts labelled A and B
b) State...(Solved)
Study the diagram shown below of the anterior view of a lumbar vertebra of a mammal.
a) Name the parts labelled A and B
b) State the function of part C
Date posted: May 27, 2019. Answers (1)
- An organism has the following characteristics:
_ Four pairs of wings
_ Cephalothorax and abdomen
_ Absence of antennae
_ Presence of a pair of chelicerae
Name the phylum and...(Solved)
An organism has the following characteristics:
_ Four pairs of wings
_ Cephalothorax and abdomen
_ Absence of antennae
_ Presence of a pair of chelicerae
Name the phylum and class that the organism belongs to?
Phylum
Class
Date posted: May 27, 2019. Answers (1)
- State the kingdom to which chladydomonas belong.(Solved)
State the kingdom to which chladydomonas belong.
Date posted: May 27, 2019. Answers (1)
- Identify two adaptations of vertebrae neurone that affects the speed of impulse transmission.(Solved)
Identify two adaptations of vertebrae neurone that affects the speed of impulse transmission.
Date posted: May 27, 2019. Answers (1)
- Two potted plants A and B were placed in the dark for two days. Each was then placed in an air tight bell jar as...(Solved)
Two potted plants A and B were placed in the dark for two days. Each was then placed in an air tight bell jar as follows then transferred to light for four hours. Each plant was then tested for starch.
a) why were the plants put in the dark place for two days.
b) what was the result of the starch test in plant B.Expain your answer.
Date posted: May 27, 2019. Answers (1)
- Name the polysaccharides found in the following structures.
a) Exoskeleton
b) Xylem vessels(Solved)
Name the polysaccharides found in the following structures.
a) Exoskeleton
b) Xylem vessels
Date posted: May 27, 2019. Answers (1)
- Name two enzymes and one ion metal that are needed in the blood clotting process.(Solved)
Name two enzymes and one ion metal that are needed in the blood clotting process.
Date posted: May 27, 2019. Answers (1)
- What is the role of Cotyledons in a germinating seed.(Solved)
What is the role of Cotyledons in a germinating seed.
Date posted: May 27, 2019. Answers (1)
- A student set up an experiment as shown in the diagram below.
(i)What was being investigated in the experiment?
ii.Draw a diagram to indicate the expected...(Solved)
A student set up an experiment as shown in the diagram below.
(i)What was being investigated in the experiment?
ii.Draw a diagram to indicate the expected results of the experiment after three days.
iii.Why was it necessary to have wet cotton wool in the container.
Date posted: May 27, 2019. Answers (1)
- Identify the structure of the cell that perform the following functions:
a) Synthesize ribosomes
b) Regulate exchange of substance in and out of the nuclear....(Solved)
Identify the structure of the cell that perform the following functions:
a) Synthesize ribosomes
b) Regulate exchange of substance in and out of the nuclear.
c) Division of cells to form new ones.
Date posted: May 27, 2019. Answers (1)
- Name one function of
a) Progesterone
b) Luteinizing hormone(Solved)
Name one function of
a) Progesterone
b) Luteinizing hormone
Date posted: May 27, 2019. Answers (1)
- A certain animal has no incisor, no canines, 6 premolars and 6 molar in its upper jaw. In the lower jaw there are 6 incisors,...(Solved)
A certain animal has no incisor, no canines, 6 premolars and 6 molar in its upper jaw. In the lower jaw there are 6 incisors, 2 canines, 6 premolars and 6 molars. Write its dental formula
Date posted: May 27, 2019. Answers (1)
- Explain what leads to struggle for existence in organisms.(Solved)
Explain what leads to struggle for existence in organisms.
Date posted: May 27, 2019. Answers (1)
- Name joints formed between the
a) Humerus and scapula
b) Cranial bones(Solved)
Name joints formed between the
a) Humerus and scapula
b) Cranial bones
Date posted: May 27, 2019. Answers (1)
- The diagram below show a respiratory structure of a bony fish
a) Name the parts labeled A, B and C
b) What is the advantage of...(Solved)
The diagram below show a respiratory structure of a bony fish
a) Name the parts labeled A, B and C
b) What is the advantage of counter current flow system in fish over the parallel flow?
c) How is the part labeled A adapted to its function
Date posted: May 27, 2019. Answers (1)
- A group of students set up an experiment to demonstrate a certain process as shown below.
After 10 minutes the students carried out iodine test inside...(Solved)
A group of students set up an experiment to demonstrate a certain process as shown below.
After 10 minutes the students carried out iodine test inside and outside the visiking tubing.
a) state two roles of the process being investigated in animals.
b) account for the results expected in the experiment above.
c)i) What is the importance of plasma membrane in active transport.
ii) Give one similarity between osmosis and active transport.
Date posted: May 27, 2019. Answers (1)
- Name the plant organs in which meiosis take place(Solved)
Name the plant organs in which meiosis take place
Date posted: May 27, 2019. Answers (1)
- Haemophilia is a genetic condition transmitted through a recessive gene linked to X chromosome. The normal gene may
be represented by XH
i) What is the genotype...(Solved)
Haemophilia is a genetic condition transmitted through a recessive gene linked to X chromosome. The normal gene may
be represented by XH
i) What is the genotype of the haemophilic female?.
ii) A woman who is a carrier for the haemophilia gene marries a normal man. Work out the phenotypic ratio for their
offspring.
iii) Haemophilia is more common in males than in females. Explain this phenomenon.
Date posted: May 27, 2019. Answers (1)
- The diagram below is a functional unit of a mammalian kidney
a) Name the process that occurs in
L
P
b) (i) state the structural difference between K...(Solved)
The diagram below is a functional unit of a mammalian kidney
b) Name the process that occurs in
L
P
b) (i) state the structural difference between K and M
(ii)How does the structural difference above help in the process that occurs in L
Date posted: May 27, 2019. Answers (1)