Higher vascular plants are also called__________?
		A. flowering plants
B. seed plants
C. ferns
D. none of these
		A. flowering plants
B. seed plants
C. ferns
D. none of these
It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:
		A. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers did not have these radioactive isotopes
Which of the following feature is not related to neuron?
		A.	Conduction
B.	Regeneration
C.	Reflex
D.	Movement
The simplest of oxygen producting photosynthetic organisms are____________?
		A.	Algae
B.	Bacteria
C.	Cyanobacteria
D.	Chlamydomonas
Which of the following is a chemical link between catabolism and anabolism?
		A.	AMP
B.	ADP
C.	ATP
D.	All of these
Chlorophylls mainly absorb _________ wavelengths?
		A.	Orange – blue
B.	Violet – red
C.	Yellow – orange
D.	Orange – red.
Which of the following is not present in mitochondria?
		A. Enzymes
B. Co-enzymes
C. Ribosomes
D. Thylakoids