G.11 Revision Term-2

1- The light-dependent reactions begin when ……………. absorbs light.

• a-    photosystem II

• b-    photosystem I

• c-     photosynthesis

• d-   stroma

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

2-How it is possible for animals to communicate without having language?

• a- chemical signals

• b-visual signals

• c-sound waves

• d-all of them

3- smaller worker ants on the leaf in Figure 29–1 serve as lookouts while the larger ant carries the leaf back to the ant colony’s fungus farm. This is an example of ……… behavior.

• a-     Seasonal behavior

• b-     Social behavior

• c-     Courtship

• d-     Territorial behavior

4- Female silkworm moths release a chemical messenger called bombykol to attract male moths of the same species. Bombykol is a(n)…………….

• a-growth hormone

• b- pheromone

• c-pigment

• d-Non-of the above  

5-The members of a society

• a- belong to at least two species.

• b- belong to the same species and interact closely with each other.

• c- act independently for each individual’s benefit.

• d- are usually unrelated to one another.

6- During migration, animals undertake a ……........

• a-repeating daily cycle of behavior.

• b-sleeplike state.

• c-search for new permanent habitats.

• d-seasonal movement searching for vaforable conditions.

7- Learning in which an animal acquires through practice to receive a reward or avoid punishment is called …….……

• a-operant conditioning

• b-classical conditioning

• c-innate behavior

• d-non-of the above

8-In winter, bears settle into a sleeplike state that lasts until spring. This state is called ……..…..

• a-Migration

• b-Hibernation

• c-Isolation

• d-non-of the above

9-…………. synthase is a membrane protein through which excess hydrogen ions escape a thylakoid in a process that makes ATP.

• a-ADP

• b-ATP

• c-NADP

• d-NADPH

Tags

NGSS.MS-LS1-6

10-Chlorophyll can perfectly absorbs ......., ........ and ............ colors from the light spectrum

• green, red and blue

• green, orange and red

• yellow, green and blue

• violet ,blue and orange