Bacteria, fungi, lower plants survive in adverse conditions by

• diapause

• suspended growth

• migration

• formation of thick walled spores.

Cell theory was proposed by

• a botanist

• a zoologist

• a botanist and a zoologist

• a psychologist

Identify the given figures A, B, C, D and E.

• A	B	C	D	E
  Marginal	Axile	Free central	Parietal	Basal

• A	B	C	D	E
  Marginal	Parietal	Free central	Axile	Basal

• A	B	C	D	E
  Marginal	Axile	Parietal	Free central	Basal

• A	B	C	D	E
  Marginal	Axile	Parietal	Basal	Free central

• structure of lenticel

• hydathode showing gaseous vapour exchange

• fungus reproducing by spore formation

• algae reproducing by spore formation.

In the given diagram A and B represent

• A	B
  Mineralisation	Demineralisation

• A	B
  Ammonification	Denitrification

• A	B
  Denitrification	Ammonification

• A	B
  Denitrification	Mineralisation

6.

In active transport, carrier proteins are used, which use energy in the form of ATP, to

• transport molecules against concentration gradient of cell wall.

• transport molecules along concentration gradient of cell membrane.

• transport molecules against concentration gradient of cell membrane.

• transport molecules along concentration gradient of cell wall.

In a 50 gm living tissue, what would be the amount of water

• 15- 25 gm

• 25 - 30 gm

• 35- 45 gm

• 70- 90 gm

PS-II occurs only in

• stroma

• granal thylakoids

• stromal lamella

• matrix

After glycolysis, fate of glucose in mitochondrial matrix is

• oxidation

• reduction

• oxidative decarboxylation

• hydrolysis

Cleistogamy is leading over anthesis because

• pollination agent is not required

• it assures heterozygosity

• it favours insect pollination

• it allows xenogamy