11. One of the major ways in which the blood is able to defend the body against disease causing organisms is
- A. Absorption of fatty acids and glycerol
- B. Clumping
- C. Single circulation
- D. Translocation
Correct Option: Answer is C
12. Which of the following is not a transmitable character in plants
- A. Habit of growth
- B. Resistance to environmental factors
- C. Life span
- D. Haemophilia
Correct Option: Answer is D
Haemophilia is a mostly inherited genetic disorder that impairs the body’s ability to make blood clots, a process needed to stop bleeding. Haemophilia is any of several hereditary illnesses that impact the body’s ability to control bleeding usually passed from mother to son.
13. Inheritable character/features possessed by an organism can be referred to as
- A. Genes
- B. Locus
- C. Traits
- D. Allelo morphs
Correct Option: Answer is C
Trait definition, a distinguishing characteristic or quality, especially of one’s personal nature
14. One of the following is a process of transmission of hereditary characteristics by chromosomes
- A. Genes relating to the same character occupy identical locations on the chromosomes
- B. Separation of homologous chromosomes into four daughter cells
- C. Separation of gametes during fertilization
- D. Dictating the formation of a protein by a gene in a chromosome
Correct Option: Answer is D
Dictating the formation of a protein by a gene in a chromosome is a process of transmitting hereditary characteristics
15. The attachment of the embryo to the wall of the uterus is called
- A. Ovulation
- B. Implantation
- C. Gametogenesis
- D. Placentation
Correct Option: Answer is B
16. Which of the reproductive system in mammals secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system?
- A. Cowper’s gland
- B. Prostate gland
- C. Vas deferens
- D. Seminal Vesicle
Correct Option: Answer is A
Cowper’s gland is a reproductive system in male which secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system.
17.
The part labelled a in the above diagram is used for
- A. Detection of pressure in water
- B. Maintaining buoyancy in water
- C. Gaseous exchange
- D. Movement in water
Correct Option: Answer is C
Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills that are protected under gill covers on both sides of the pharynx (throat).
18.
The above organism can be classified under which phylum in the animal kingdom
- A. Nematoda
- B. Chordata
- C. Porifera
- D. Annelida
Correct Option: Answer is B
19. One important characteristics of green plant is that they
- A. possess specialized sense organs
- B. Are usually motile
- C. Are autotropic
- D. Respond slowly to stimuli
Correct Option: Answer is C
One of the important characteristics of green plant is that they can manufacture their food (Autotrophic).
20. A virus can sometimes be regarded as a living organism because it
- A. causes diseases in plants and animals
- B. It exists in a variety of shapes
- C. Is easily visible with the aid of an electron microscope
- D. Reproduces in living cells
Correct Option: Answer is D
A virus is regarded as animate is because it can reproduce in living cells. It can also be inanimate when it is not in living cells.