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 431:
The overall reaction in glycolysis can be summarised as
Options:
A) CHO -----> CHO + 4H + ATP
B) CHO -----> 2CHO + 4H + 2ATP
C) CHO -----> 2CHO + 4H + ADP
D) CHO -----> 2CHO + 4H + 2ADP
Show Answer
The correct answer is B .
-
Question 432:
In the diagram, The maxillary palp is labelled
Options:
A) ii
B) iv
C) i
D) ii
Show Answer
The correct answer is B .
-
Question 433: Irish potato is a
Options:
A) bulb
B) tap root
C) rhizome
D) root tuber
E) stem tuber
Show Answer
The correct answer is E .
-
Question 434: Root hairs are developed from the
Options:
A) root apex
B) epidermis of root
C) vascular bundles
D) endodermis
E) pericycle
Show Answer
The correct answer is B .
-
Question 435: The organelle common to both plant and animal cells is the
Options:
A) centrioles
B) plasmalemma
C) cell wall
D) chloroplast
Show Answer
The correct answer is B .
-
Question 436: Seed plants are divided into
Options:
A) monocoty ledons and dicotyledons
B) tracheophytes and ferns
C) angiosperms and gymnosperms
D) thallophytes and bryophytes
Show Answer
The correct answer is C .
-
Question 437: The solid part of the ecosystem is referred to as the
Options:
A) atmosphere
B) hydrosphere
C) biosphere
D) lithosphere
Show Answer
The correct answer is D .
-
Question 438: A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as
Options:
A) discontinuous variation
B) continuous variation
C) a mutant
D) a genome
Show Answer
The correct answer is B .
-
Question 439: The average number of individuals of a species per unit area of the habitat is the
Options:
A) population density
B) population frequency
C) population size
D) population distribution
Show Answer
The correct answer is A .
-
Question 440:
Which of the following is a plant hormone responsible for promoting cell elongation and growth?
Options:
A) Abscisic acid
B) Gibberellins
C) Ethylene
D) Cytokinins
Show Answer
The correct answer is B .