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 851: In which part of a leguminous plant can you find bacteria like Azotobacter?
Options:
A) Spongy mesophyll of leaf
B) At the nodes
C) At the internodes
D) In nodules
E) Palisade mesophyll of leaf
Show Answer
The correct answer is D .
-
Question 852: There will be agglutination when the
Options:
A) Group A serum mixes with Group A erythrocytes
B) Group A serum mixes with group B erythrocytes
C) Group AB serum mixes with Group O erythrocytes
D) Group B serum mixes with Group B erythrocytes
Show Answer
The correct answer is B .
-
Question 853: Which of the following characterizes a mature plant cell?
Options:
A) the nucleus is pushed to the centre of the cell
B) the cell wall is made up of cellulose
C) the nucleus is small and irregular in shape
D) the cytoplasm fills up the entire cell space
Show Answer
The correct answer is B .
-
Question 854: The following distrupts the balance in an ecosystem except
Options:
A) afforestation
B) deforestation
C) migration
D) pollution
Show Answer
The correct answer is A .
-
Question 855: Millet , sorghum, maize and onions are common crops growth in Nigeria in the
Options:
A) tropical rainforests
B) sudan savanna
C) montane forests
D) sahel savanna
Show Answer
The correct answer is B .
-
Question 856: The aperture between the left auricle and the left ventricle is guarded by the
Options:
A) auricles valve
B) tricupid valve
C) ventricles valve
D) bicuspid valve
Show Answer
The correct answer is D .
-
Question 857:
Which of the following is not a transmitable character in plants
Options:
A) Habit of growth
B) Resistance to environmental factors
C) Life span
D) Haemophilia
Show Answer
The correct answer is D .
-
Question 858: Which of the following is used to test for the presence of lime in a soil sample?
Options:
A) H2SO4(aq)
B) NaOH(aq)
C) HCl(aq)
D) HNO3(aq)
Show Answer
The correct answer is C .
-
Question 859: Which of the following lists of organs is directly involved in nutrition?
Options:
A) Oesophagus, bronchus, stomach, pancreas and anus
B) spleen, pharynx, duodenum, jejunum and rectum
C) Teeth, oesophagus, ileum lungs and large intestine
D) Salivary gland, liver, stomach, villi and colon
Show Answer
The correct answer is D .
-
Question 860: In the kidney of mammals, the site of ultrafiltration is the
Options:
A) uriniferous tubule
B) Bowman's capsule
C) loop of Henle
D) renal tubule
Show Answer
The correct answer is B .