Biology, 2019, JAMB Exam, Exam, Paper 1 | Objectives

Paper Info

Year :

2019

Title :

Biology

Exam :

JAMB Exam

Paper 1 | Objectives

11 - 20 of 80 Questions

#	Question	Ans
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 Show Content Detailed Solution One of the major ways in which the blood is able to defend against disease is clumping. There is an explanation video available below.	B
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 Show Content Detailed Solution Haemophilia is any of several hereditary illnesses that impact the body's ability to control bleeding usually passed from mother to son. There is an explanation video available below.	D
13.	Inheritable character/features possessed by an organism can be referred to as A. Genes B. Locus C. Traits D. Allelo morphs Show Content Detailed Solution Trait is an inheritable character/inheritable feature possessed by an organism. There is an explanation video available below.	C
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 Show Content Detailed Solution Dictating the formation of a protein by a gene in a chromosome is a process of transmitting hereditary characteristics There is an explanation video available below.	D
15.	The attachment of the embryo to the wall of the uterus is called A. Ovulation B. Implantation C. Gametogenesis D. Placentation Show Content Detailed Solution Implantation is the attachment of embryo to the uterus wall. There is an explanation video available below.	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 Show Content Detailed Solution One of the functions of the prostrate gland is to ensure the successful fertilization of the ovum which involves the neutralization of the acidic media of the male and female reproductive systems. This does not replace the role of the cowper's gland to raise the pH of the fluid in the female reproductive system, too. There is an explanation video available below.	A
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 Show Content Detailed Solution Operculum or gill cover helps the tilapia fish in gaseous exchange. There is an explanation video available below.	C
18.	The above organism can be classified under which phylum in the animal kingdom A. Nematoda B. Chordata C. Porifera D. Annelida Show Content Detailed Solution The tilapia fish can be classified under chordata phylum in the animal kingdom. There is an explanation video available below.	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 Show Content Detailed Solution One of the important characteristics of green plant is that they can manufacture their food (Autotrophic). There is an explanation video available below.	C
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 Show Content Detailed Solution 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. There is an explanation video available below.	D

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 Show Content Detailed Solution One of the major ways in which the blood is able to defend against disease is clumping. There is an explanation video available below.	B
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 Show Content Detailed Solution Haemophilia is any of several hereditary illnesses that impact the body's ability to control bleeding usually passed from mother to son. There is an explanation video available below.	D
13.	Inheritable character/features possessed by an organism can be referred to as A. Genes B. Locus C. Traits D. Allelo morphs Show Content Detailed Solution Trait is an inheritable character/inheritable feature possessed by an organism. There is an explanation video available below.	C
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 Show Content Detailed Solution Dictating the formation of a protein by a gene in a chromosome is a process of transmitting hereditary characteristics There is an explanation video available below.	D
15.	The attachment of the embryo to the wall of the uterus is called A. Ovulation B. Implantation C. Gametogenesis D. Placentation Show Content Detailed Solution Implantation is the attachment of embryo to the uterus wall. There is an explanation video available below.	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 Show Content Detailed Solution One of the functions of the prostrate gland is to ensure the successful fertilization of the ovum which involves the neutralization of the acidic media of the male and female reproductive systems. This does not replace the role of the cowper's gland to raise the pH of the fluid in the female reproductive system, too. There is an explanation video available below.	A
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 Show Content Detailed Solution Operculum or gill cover helps the tilapia fish in gaseous exchange. There is an explanation video available below.	C
18.	The above organism can be classified under which phylum in the animal kingdom A. Nematoda B. Chordata C. Porifera D. Annelida Show Content Detailed Solution The tilapia fish can be classified under chordata phylum in the animal kingdom. There is an explanation video available below.	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 Show Content Detailed Solution One of the important characteristics of green plant is that they can manufacture their food (Autotrophic). There is an explanation video available below.	C
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 Show Content Detailed Solution 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. There is an explanation video available below.	D

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