Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
-
Question 141:
In an agricultural ecosystem, the biotic component consist of
Options:
A) crops, pests and beneficial insects
B) crops, temperature and humidity
C) pests, beneficial insects and water
D) crops, water and soil
Show Answer
The correct answer is A .
-
Question 142: From his study of Galapagos finches, Darwin derived his theory of evolution from
Options:
A) comparative anatomy
B) comparative physiology
C) fossil remains
D) comparative embryology
Show Answer
The correct answer is B .
-
Question 143:
Which of the following statements is true about the kingdom Fungi?
Options:
A) Fungi obtain nutrients by absorbing organic matter
B) Fungi are photosynthetic organisms
C) Fungi are multicellular organisms
D) Fungi reproduce through the formation of seeds
Show Answer
The correct answer is A .
-
Question 144: A sex-linked character cannot be passed on directly from
Options:
A) father to son
B) mother to daughter
C) mother to son
D) father to daughter
Show Answer
The correct answer is A .
-
Question 145: Plants that grow in an area that is neither too wet nor too dry are
Options:
A) xerophytes
B) mesophytes
C) epiphytes
D) hydrophytes
Show Answer
The correct answer is B .
-
Question 146: when the two alleles present in an organism are of the same type, the genotype is described as
Options:
A) heterozygous
B) heterogamous
C) homozygous
D) homologous
Show Answer
The correct answer is C .
-
Question 147: Flatworms and roundworms are said to be invertebrates because
Options:
A) they are small animals
B) they can live inside the vertebrates
C) some of them are unicellular
D) they have no backbones
E) they are parasitic
Show Answer
The correct answer is D .
-
Question 148: The vector of the malaria parasite is
Options:
A) female Aedes mosquito
B) female Anophelous mosquito
C) male Culex mosquito
D) female Culex mosquito
Show Answer
The correct answer is B .
-
Question 149: The following are methods of soil conservation EXCEPT
Options:
A) contour terracing
B) strip cropping
C) contour ploughing
D) mixed grazing
Show Answer
The correct answer is D .
-
Question 150: The bright coloured eye spots on the wings of moth are an example of
Options:
A) warning colouration
B) disruptive colouration
C) crypsis
D) mimicry
Show Answer
The correct answer is D .