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 381: The functions of endoplasmic reticulum is
Options:
A) protein synthesis
B) intracellular transport of materials
C) digestion and destruction of foreign bodies
D) production of energy from glucose
Show Answer
The correct answer is B .
-
Question 382: During blood transfusion, agglutination may occur as a result of the reaction between
Options:
A) contrasting antigens and antibodies
B) two different antigens
C) two different antibodies
D) similar antigens and antibodies
Show Answer
The correct answer is A .
-
Question 383:

Use the diagram above to answer this question.Arrows represent directional movement materials.
Transportation in the xylem is represented by
Options:
A) I
B) II
C) III
D) IV
Show Answer
The correct answer is D .
-
Question 384: The excretory structure in the earthworm is the
Options:
A) malpighian tubule
B) flame cell
C) nephridium
D) kidney
Show Answer
The correct answer is C .
-
Question 385:
The excretory structure in the earthworm is the
Options:
A) malphighian tubule
B) flame cell
C) nephridium
D) kidney
Show Answer
The correct answer is C .
-
Question 386: The mineral nutrient that easily gets leached out of the soil is
Options:
A) phosphorus
B) calcium
C) magnesium
D) nitrate
Show Answer
The correct answer is D .
-
Question 387:
Which of the following best describes the concept of trophic levels in a functioning ecosystem?
Options:
A) The levels of ecological interactions within an ecosystem
B) The levels of energy flow within an ecosystem
C) The levels of nutrient cycling within an ecosystem
D) The levels of biological diversity within an ecosystem
Show Answer
The correct answer is B .
-
Question 388: Which of the following is true in blood transfusion?
Options:
A) person of blood group AB can donate blood only to another person of blood group AB
B) persons of blood groups A and B can donate or receive blood from each other
C) A person of blood group AB acn receive blood only from persons of blood group A or B
D) A person of blood group O can donate only to a person of blood group O
Show Answer
The correct answer is A .
-
Question 389:
Which of the following are components of glomerular filtrate?
Options:
A) All the components of blood except mineral salts
B) Water and salt only
C) All the components of blood except plasma protein and cells
D) Blood cells, amino acid, salts and nitrogenous wastes
Show Answer
The correct answer is C .
-
Question 390: The path followed by air as it passes through the lungs in mammals is
Options:
A) trachea → bronchi → bronchioles → alveoli
B) bronchi → trachea → alveoli → bronchioles
C) trachea → bronchioles → alveoli
D) bronchioles → alveoli → bronchi →trachea
Show Answer
The correct answer is A .