Q.1:- The smallest flowering plant is ?
- Wolffia
- Lemma
- Azolla
- Ficus
Q.2:- The locomotory organ of ‘Amoeba’ is ?
- Pseudopodia
- Parapodia
- Flagella
- Cilia
Q.3:- Protein which renders a cell less susceptible to attack by viruses is called ?
- Actomyosin
- Chloromycetin
- Hybridoma
- Inferon
Q.4:- Which Carbohydrate is used in silvering of mirrors ?
- Fructose
- Sucrose
- Glucose
- Starch
Q.5:- Which one of the following is not a benefit of saliva ?
- It facilitates swallowing
- It increases RBCs in the body
- It keeps the mouth and teeth clean
- It aids speech by facilitating movements of lips and tongue
Q.6:- Which of the following animals does not have nervous system ?
- Leech
- Tapeworm
- Amoeba
- Snail
Q.7:- Which of the following weeds has been found effective in checking water pollution caused by industrial affluents ?
- Water Hyacinth
- Elephant Grass
- Parthenium
- Both (2) and (3)
Q.8:- The larvae of cockroach is called ?
- Caterpillar
- Nymph
- Maggot
- Grub
Q.9:- The main use of salt in the diet is to ?
- Increase the solubility of the food particles in water
- Produce in small amounts they Hydrochloric acid required for the digestion of food
- Ease the process of cooking
- Make the taste of the food better
Q.10:- Which of the following does not cause pollution ?
- Burning of petrol
- Use of solar energy
- Burning of rubber
- All of the above
Q.11:- The main function of insulin in the human body is ?
- To maintain blood pressure
- To help in digestion of food
- To control the level of sugar in the body
- To check the level of iodine in the body
Q.12:- Haemoglobin contains the metal ?
- Copper
- Molybdenum
- Iron
- Magnesium
Q.13:- Which one of the following is an indicator of air pollution ?
- Cycas
- Algae
- Bryophytes
- Lichens
Q.14:- Environment pollution can be controlled by ?
- Checking atomic blasts
- Manufacturing electric vehicles
- Sewage treatment
- All of the above
Q.15:- Itai-Itai disease is due to poisoning caused by ?
- Mercury
- Arsenic
- Cadmium
- Asbestos
Q.16:- Bio-magnification implies ?
- Toxic matters are magnified
- Living beings are magnified
- Light is magnified
- Food is magnified
Q.17:- Smut of wheat is caused by ?
- Ustilago Myadis
- Puccinia Graminis
- Ustilago Tritici
- Collectotrichum Falcatum
Q.18:- Animals adapted often called as amphibian plant because they ?
- Appear like frog
- Are found both in water and on land
- Do not have habitat preference
- Can eat insects
Q.19:- Crude oil is sometimes termed sweet because it is ?
- Sweet in taste due to dissolved sugars
- Mildly sweet due to low sulphur content
- Less acidic
- Less alkaline
Q.20:- Which of the following three are regarded as environment friendly ?
- Reduce, Rebuild, Restrict
- Random, Reduce, Recall
- Read, Register, Recall
- Reduce, Reuse, Recycle
Q.21:- Plant genetic material in ‘Gene Bank’ is preserved at -196 Deg C in liquid Nitrogen as ?
- Seedling and Meristem
- Mature seed (Dry)
- Pre-mature seed (high moisture)
- Ripe Fruit
Q.22:- The type of fruit obtained from a multicarpillary, apocarpous gynoecium is ?
- Composite
- Aggregate
- Simple
- Multiple
Q.23:- In which of the following multiple epidermis is found ?
- Boerhaavia
- Amaranthus
- Helianthus
- Nerium
Q.24:- Pleura is the covering of ?
- Lung
- Liver
- Kidney
- Heart
Q.25:- The best example of Polyembryony is ?
- Coeoa
- Capsicum
- Citrus
- Cycas
