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 651:
The above diagram represents a competitive interaction between organism in communities I and II. Which of the following statements is CORRECT?
Options:
A) The population of I was higher than II at the beginning of the experiments
B) II was wiped out from the enviroment at the end of the experiments
C) The population of II was always lower than that of
D) The population of I was lower at the end of the experiment than at the beginning
Show Answer
The correct answer is B .
-
Question 652: Which is the correct order in an evolutionary sequence for the following plants groups?
Options:
A) Bacteria → ferns → algae → mosses → seed plants
B) Bacteria → ferns → mosses → algae → seed plants
C) Bacteria → algae → mosses → ferns → seed plants
D) Bacteria → mosses → algae → ferns → seed plants
Show Answer
The correct answer is C .
-
Question 653: interveinal chlorosis is normally associated with the deficiency of
Options:
A) magnesium
B) potassium
C) iron
D) calcium
Show Answer
The correct answer is A .
-
Question 654: If an animal has diastema, it would NOT posses
Options:
A) incissors
B) cannines
C) premolars
D) molars
Show Answer
The correct answer is B .
-
Question 655:
Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome with a low annual rainfall, few scattered trees within dense layer of grasses and found in Kano and Katsina States
Options:
A) 1
B) 2
C) 3
D) 4
Show Answer
The correct answer is D .
-
Question 656: I. High birth rate and high immigration rate II. Low birth rate and high immigration rate II. Low mortality rate and low emigration IV. High mortality rate and high emigration rate. Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements?
Options:
A) II and III
B) I and III
C) I and IV
D) I and II
Show Answer
The correct answer is B .
-
Question 657: Which of the following is NOT a function of the liver?
Options:
A) Regulation of blood sugar
B) Storage of iron
C) Formation of bile
D) Breakdown of excess amino acids
E) Excretion of urea from the blood
Show Answer
The correct answer is E .
-
Question 658: Which of the following organisms does not exist as a single free living cell?
Options:
A) Paramecium
B) Volvox
C) Amoeba
D) Chlamydomonas
Show Answer
The correct answer is B .
-
Question 659: Which of the following is true of small pox?
Options:
A) It is transmitted by bacteria
B) It can effectively be controlled with antibiotics
C) It can effectively be controlled by vaccination
D) It is a water-borne infection
Show Answer
The correct answer is C .
-
Question 660: The vein which returns blood from the head and arms to the heart is called
Options:
A) aorta
B) inferior vena cava
C) superior vena cava
D) pulmonary vein
E) pulmonary artery
Show Answer
The correct answer is C .