Preserved remains of dead organism that lived in ancient times and were accidentally
preserved under sedimentary rocks;
sharon kalunda answered the question on May 28, 2019 at 09:51
- Students set up an experiment as shown below. Use it to answer the questions that follow.
(a) What was the aim of the experiment?
(b) What...(Solved)
Students set up an experiment as shown below. Use it to answer the questions that follow.
(a) What was the aim of the experiment?
(b) What observation would be made in test tube B?
(c) Explain the results in (b) above.
(d) Write word equation for the process of anaerobic respiration in plants.
(e) State four application of anaerobic respiration.
Date posted: May 28, 2019. Answers (1)
- In fruit flies (Drosophila melanongaster) inheritance of eye colour is sex linked. The gene for red eye is dominant.
Across was made between homozygous red eyed...(Solved)
In fruit flies (Drosophila melanongaster) inheritance of eye colour is sex linked. The gene for red eye is dominant.
Across was made between homozygous red eyed female and white eyed male. Work out the phenotypic ratio of F1
generation. (Use R to represent gene for red eyes).
Date posted: May 28, 2019. Answers (1)
- Name the hormone secreted by the Thyroid glands.(Solved)
Name the hormone secreted by the Thyroid glands.
Date posted: May 28, 2019. Answers (1)
- What is tissue fluid?(Solved)
What is tissue fluid?
Date posted: May 28, 2019. Answers (1)
- The apparatus below are used to investigate an aspect of photosynthesis.
(a) Name the aspect of photosynthesis being investigated.
(b) How can one verify the identity...(Solved)
The apparatus below are used to investigate an aspect of photosynthesis.
(a) Name the aspect of photosynthesis being investigated.
(b) How can one verify the identity of the gas that accumulates in test tube?
(c) State the role of sodium hydrogen carbonate.
(d) What environmental factor are required in order to give positive results?
Date posted: May 28, 2019. Answers (1)
- State three distinguishing features of mammalian rib bone.(Solved)
State three distinguishing features of mammalian rib bone.
Date posted: May 28, 2019. Answers (1)
- Define speciation.(Solved)
Define speciation.
Date posted: May 28, 2019. Answers (1)
- State the site of production of progesterone.(Solved)
State the site of production of progesterone.
Date posted: May 28, 2019. Answers (1)
- The diagram shows across section of mammalian skin.
(a) Name parts T and S.
(b) State the function of part labelled S.(Solved)
The diagram shows across section of mammalian skin.
(a) Name parts T and S.
(b) State the function of part labelled S.
Date posted: May 28, 2019. Answers (1)
- Study the reaction below.
(a) Name enzyme X.
(b) Explain the importance of the above reaction in tissue of living organisms.(Solved)
Study the reaction below.
(a) Name enzyme X.
(b) Explain the importance of the above reaction in tissue of living organisms.
Date posted: May 28, 2019. Answers (1)
- Give a reason why lumbar vertebrae have long and broad transverse processes.(Solved)
Give a reason why lumbar vertebrae have long and broad transverse processes.
Date posted: May 28, 2019. Answers (1)
- Distinguish between homozygote and heterozygote.(Solved)
Distinguish between homozygote and heterozygote.
Date posted: May 28, 2019. Answers (1)
- A certain plant had the following characteristics:
- Presence of roots, stem and leaves.
- Found with sori on the under surface.
- Life cycle in sporophyte and...(Solved)
A certain plant had the following characteristics:
- Presence of roots, stem and leaves.
- Found with sori on the under surface.
- Life cycle in sporophyte and gametophyte generations.
- Sporophyte generation being dominant.
Name the division to which the plant belongs.
Date posted: May 28, 2019. Answers (1)
- Name the kingdom into which the prokaryotes are placed.(Solved)
Name the kingdom into which the prokaryotes are placed.
Date posted: May 28, 2019. Answers (1)
- In an experiment young potted seedlings were placed in a dark box with unilateral light source as shown below.
(a) What was the aim of the...(Solved)
In an experiment young potted seedlings were placed in a dark box with unilateral light source as shown below.
(a) What was the aim of the experiment?.
(b) State the observation made of on the seedling after 3 days.
Date posted: May 28, 2019. Answers (1)
- Which component of the blood gives the body immunity?(Solved)
Which component of the blood gives the body immunity?
Date posted: May 28, 2019. Answers (1)
- State the kidney disorder characterized by production of large volume dilute urine.(Solved)
State the kidney disorder characterized by production of large volume dilute urine.
Date posted: May 28, 2019. Answers (1)
- Explain the role of antidiuretic hormone when there is excess water in the human body.(Solved)
Explain the role of antidiuretic hormone when there is excess water in the human body.
Date posted: May 28, 2019. Answers (1)
- Give one way in which pteridophyta differ from spermatophyta.(Solved)
Give one way in which pteridophyta differ from spermatophyta.
Date posted: May 28, 2019. Answers (1)
- Give a reason why it is difficult to calculate Respiratory Quotient (RQ) in plants.(Solved)
Give a reason why it is difficult to calculate Respiratory Quotient (RQ) in plants.
Date posted: May 28, 2019. Answers (1)