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Q] Choose one option for each.

1) Plants store up their reserve energy in the form of
a) disaccharide b) starch c) glycogen d) glucose

2) Pollination by insects is termed as
a) Ornithophily b) Entomophily c) Anaemophily d) hyarophily

3) A compound that can bring about abnormal elongation in plants is
a) nicotinic acid b) phenol c) gibbrelin d) pantothenic acid

4) Pneumatophores are present in plants growing in
a) fresh water b) salt marshes c) desert d) hilly places

5) In plants like avicennia, the embryo grows in the seeds contained in the fruit & full grown young plant drops down into the water & it is termed as
a) germination b) fertilization c) vivipary d) dispersal

6) Which one of the following is a legume?
a) Pea b) Pumpkin c) Apple d) Cashew

7) The eye of the potato is
a) the node b) scale leaf c) axiliary bud d) all the above

8) Flowers that never open as in groundnut are
a) chasmogamous b) cleistogamous c) dichalmydeous d) asymmetrical

9) The insectivorous plants catch insects to get their
a) carbohydrate food b) water c) nitrogen supply d) fat food

10) Insectivorous plants use insects since they live in soil poor in
a) sulphates b) nitrates c) carbonates d) phosphates

11) The insect pollinated flowers are provide with
a) coloured petals b) goo fragrance c) nectories d) all the above

12) During germination when the cotyledons are brought above the ground the germination is
a) hypogeal b) epigeal c) viviparous d) none of the above

13) Chlorosis in a leaf is due to the deficiency of
a) boron b) magnesium c) manganese d) silica

14) Cohesion theory to explain the ascent of sap was proposed by
a) J.C.Bose b) Dixon & Jolly c) Calvin d) Sachs

15) During photosynthesis oxygen is evolved due to
a) photolysis b) photophosphorylation
c) carbon assimilation d) formation of  NADPH_{2}

16) The first stable compound during dark reaction is
a) RuDP b) PGA c) PGAL d) None of the above

17) The carbon assimilation resulting in starch formation takes place due to anzymes present in the
a) thylakoids b) chloroplast c) stroma d) granum

18) Glycolysis involves the conversion of glucose into
a) succinic acid b) pyruvic acid c) oxaloacetic acid d) citric acid

19) Krebs cycle takes place in the
a) cytoplasm b) mitochondria c) lysosomes d) auxanometer

20) Rate of transpiration is measured by
a) photometer b) potometer c) manometer d) auxanometer
can u modify answer - add - - GIVE DESCRIPTION - REASON - IT IS IMPORTANT
no i dont want explanation for this answers i want for physics and chemistry


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1 starch - carbohydrate and consists of many glucose.
         carbon fixation reactions , the chemical reactions in the darkness.
2 Entomophily - pollination in plants by insects transferring pollen

3 nicotonic acid perhaps, and ascorbic acid - c vitamin
4 salt marshes, probably

5 dispersal

6 pea

7 auxiliary buds, probably.


9  I am not sure. insectivoros plants get proteins from insects, also fat, ?

10  Nitrates

11  nectories..  perhaps all the above.


13 magnesium

14  dixon.  but there is some mention that JC Bose also proposed that.

15  photolysis

16 PGAL 3-phosphoglyceraldehyde

17 thylakoids perhaps.  not sure. confusion with chloroplast

18 pyruvic acid

19 mitochondria

20. potometer

2 5 2
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