Plasmodroma is a sub-phylum of1. Protozoa2. Porifera3. Coelenterata4. Platyhelminthes
Haversian canals are found in1. Long bones of rabbit2. Simple sponges of aseon type3. Internal ears of mammals4. Spinal cord of vertebrates
The characteristic features of the mangrove vegetation is the possession of1. large air spaces2. velamen3. storage roots4. pneumatophores
Multiple allelism controls inheritance of1. Blood groop2. Phenyketonuria3. Colour blindness4. Sickle-cell anaeamia
Schuffiner's granules are formed in1. Schizont Stage2. Trophozoite stage3. Sporozoite stage4. Merozoite stage
If the ventral scales of a snake are large and in the form of transverse plates, and in addtion, the dorsal scales of head are small, then this snake is1. Viper2. Krait3. Cobra4. Coral snake
The study of animal behaviour is known as1. Econology2. Ethology3. Ichtheology4. Entomology
Which enzyme is found only in the mitochondria ?1. Aldolase2. Decarboxylase3. Feumarase4. Dehydrogenase
Apparatus used to measure respiration is called1. Potometer2. Auxanometer3. Autometer4. Respirometer
In a bicollaeral vascular bundle1. Phleom is sandwitched between xylem2. Xylem is sandwitched between phloem3. Transvers splitting of one bundle into two equal parts4. Bundles which can not be identified
During meiosis crossing over takes places at1. diplotene2. diakinesis3. leptotene4. pachytefne
Ethylene gas1. is a saturated hydrocarbon2. slows ddown ripening of apples3. retards appartment ripening of tomatoes4. speeds up maturation of tomatoes
Which one of the following is widely distributed in a cell ?1. chromoplasts2. chloroplasts3. RNA4. DNA
The fruit in which mesocarp is dfleshy and endocap is stony is known as1. pome2. Berry3. Drupe4. Pepo
The dark brown colour of heartwood is due to 1) Annual rings 2) Tyloses 3) Rich lignin-content 4) Food substances in rich quantities
Bicollateral vascular bundles are found in 1) the roots of all dicotyledonous plants 2) the stems of all monocotyledonous plants 3) stems of certain dicotyledonous plants only 4) stems of certain monocotyledonous plants only
Identify the correct set of mammals that live wholly in water.
1) Whales,seals,dolphins
2) Seals,whales,shark
3) Hippocampus, whale, scoliodon
4) Rohu,shark,catla
Male seal is polygamous and controls groups of females. This group is known as
1) Herd
2) Flock
3) Rookerd
4) Colony
Mycocytes of sponges occur in or around
1) Spongocoel
2) Osculum
3) Germ cells
4) Trophocytes
Which phylum has blind body sac plan with radial symmetry ?
1) Porifera
2) Cnidaria
3) Echinoderms
4) Arthropods
Jute is formed of 1) leaf fibres 2) cortical fibres 3) bast fibres 4) xylem fibres
Phelloids is the name given to 1) non-suberized cells of cork 2) suberized cells of cork 3) all the cells of phelloderm 4) all the cells of periderm
How many plant among China rose, Ocimum, Sunflower, Mustard, Guava have opposite phyllotaxy?
1) 2 2) 3 3) 4 4) 5
A diagnostic feature for identification of pea (Fabaceae) flower is
1) Tetradynamous stamens 2) Inferior ovary 3) Cruciform corolla 4) Vexillary aestivation in petals
The largest herbarium in the World is in 1) Calcutta 2) Royal Botanical Garden -- Kew 3) America 4) Bombay
The entire plant is medicinal as a diueratic also in treating jaundice. 1) Euphorbia pulcherima 2) Ricinus communis 3) Phyllanthus amarus 4) Phyllanthus emblica
Hevea brasiliensis is a 1) Herb 2) Shrub 3) Cladode 4) Tree
What is deuteronopia? 1) Blindness to green colour 2) Blindness to red colour 3) Defect in the blood clotting mechanism 4) Albinism
Which of the following is wrong? 1) Edible oil obtained from Carthamus tinctiorius does not increase blood cholesterol 2) Eclipta prostrate is used in the treatment of jaundice and other liver disorder. 3) A drug from Vernonia arborea plant is useful for expelling round worms. 4) Abaca cloth is obtained from the fibres of Musa extiling,.
Tetany occurs due to 1) Excess secretion of parathromone 2) Removal of parathyroid 3) Decrease incalcitonin 4) Excessive secretion of insulin.
Number of volumes in Genera Plantarum 1) Two 2) three 3) four 4) five
This is useful in producing plantlets in tissue culture 1) IAA 2) Kinetin 3) PEG 4) Kinetin in combination with IAA
Anaerobic respiration is catalyzed by 1) Enzymes present in nucleus 2) Oxygen in atmosphere 3) Enzymes present in cytoplasm 4) Chemical present in the surrounding
The usual sites of auxin formation in higher plants are 1) meristems 2) enlarging tissues 3) young leaves 4) all the three
The overall reaction of glucose oxidation is 1) C6 H12 O6 + 6O2 --->6 CO2 + 4H2O + 2900KJ energy 2) C6 H12 O6 + 4O2 ---> 6 CO2 + 6H2O + 2900KJ energy 3) C6 H12 O6 + 6O2 ---> 4 CO2 + 6H2O + 2900KJ energy 4) C6 H12 O6 + 6O2 ---> 6 CO2 + 6H2O + 2900KJ energy
Dark reaction does not require light but needs 1) Water 2) ATP + NADPH2 3) Oxygen 4) Chlorophyll pigment
The protons and electrons required to reduce NADP to NADPH2 come from 1) Starch 2) CO2 3) ATP 4) Water
The suction force is calculated by using the formula 1) pr2h 2) pr2 3) pd 4) pr2h x 13.6 gm
The rate amplitude and frequency of heart beat is increased by 1) Parathormone 2) Epinephrin 3) Non-epineprin 4) Cortisone
Regarding C.S.F. all are true except
1) It is an ultrafiltrate of plasma
2) It provides a greater part of the nutritional requirement
3) It is important in protecting the brain from injury when the head is struck.
4) It has pressure 110-130 mm H2O
From the petals a red dye is obtained which is used for dyeing silk. 1) Carthamus tinctorius 2) Tagetus erecta 3) Helianthus annus 4) Zinnia elegans
Which of the following belongs to the Order Pinnipedia? 1) whale 2) cow 3) mole 4) sea lion
Which statement is wrong about trends of human evolution?
1) Erect posture by the development of lumber crest
2) Development of articulated speech
3) Opposability of thumb and loss of opposability of great toe in hind limb
4) Shortening of iliac bone.
RNA differs from DNA in that: 1) it has a different kind of sugar 2) it is single stranded 3) it has uracil 4) all of these
Three nucleotides code for: 1) 1 amino acid 2) 3 amino acids 3) 1 protein 4) 3 proteins