1 Morphology of Flowering Plants
'Pneumatophores' are found in
(1) Cephaelis
(2) Ipomoea
(3) Both (1) and (2)
(4) Sonneratia
Pneumatophores are breathing or respiratory roots which are mainly found in mangroves or plants growing in saline swamps near the sea shore, e.g., Sonneratia.
2
The frog that feeds on an insect is a
(1) Decomposers (2) Tertiary Consumer (3) Secondary Consumer (4) Primary Consumer
3 Sexual Reproduction in Flowering Plants
In which type of fruit the seed coat is fused with the pericarp 1) Berry 2) Drupe 3) Legume 4) Caryopsis
4 Human Health and Disease
Which of the following is a bacterial disease ? 1. Rabies 2. Measles 3. Small pox 4. Tuberculosis
5 Excretory Products and their Elimination
Counter current system is at work in 1) loop of Henle 2) distal convoluted tubule 3) glomerulus 4) collecting duct
6 Morphology of Flowering Plants
The type of Aestivation seen in the family Caesalpiniaceae is 1) valvate 2) vexillary 3) twisted 4) ascendingly imbricates
7
DDT and gamoxine are used to destroy 1) Rat flea 2) Protozoan 3) Adult mosquitoes 4) Mosquotoe larvae
8 Anatomy of Flowering Plants
Starch sheath is present in 1) Dicot stem 2) Monocot stem 3) Dicot root 4) Monocot root
The starch sheath is the innermost layer of the cortex. It is homologous to endodermis and is the specialized cells to store starch e.g., Pelargonium stem
9
Gibberellins have a role in seed germination because they1. break the seed coat2. weaken the seed coat3. stimulate the synthesis4. stimulate the synthesis of vernalin
10
The Genetic Code was delincated by an Indian born American Scientist called. 1. H.G.Khorana 2. B.G.L.Swamy 3. P.Maheswari 4. P.C.Ray
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