Which organelle is responsible for photosynthesis?
cell wall
chloroplast
cell membrane
nucleus
ribosomes
Correct answer is B
No explanation has been provided for this answer.
Which process does NOT represent a form of reproduction in plants?
binary fission
budding
conjugation
regeneration
vegetative propagation
Correct answer is A
No explanation has been provided for this answer.
Which statement is NOT true of both meiosis and mitosis?
aligning of chromosomes at equator
disintegration of nuclear material
formation of spindle apparatus
halving the number of chromosomes
thickening and shortening of chromosomes
Correct answer is D
No explanation has been provided for this answer.
Mammals are said to be homoiothermic because their body temperature is
always higher than that of their environment
always lower than that of their environment
always the same as that of their environment
relatively constant irrespective of that of their environment
remains at 37o C all the time
Correct answer is D
No explanation has been provided for this answer.
What is NOT a supporting tissue in plant?
collenchymas
coracoid
parenchyma
sclerenchyma
xylem
Correct answer is B
No explanation has been provided for this answer.