Q.1:- Water conduction takes place in mosses through ?
- Xylem and Phloem
- Xylem
- Collenchyma
- Parenchyma
Q.2:- Conversion of starch to sugar is essential for ?
- Stomatal opening
- Stomatal closing
- Stomatal formation
- Stomatal growth
Q.3:- Enzymes are ?
- Proteins
- Minerals
- Oils
- Fatty Acids
Q.4:- Yellow Fever is transmitted by ?
- Aedes
- Anopheles
- House-Fly
- Culex
Q.5:- Jaundice is a symptom of disease of ?
- Kidney
- Liver
- Pancreas
- Thyroid
Q.6:- Tobacco smoke is injurious to health because it contains ?
- Carbon Monoxide
- Nicotine
- Polycyclic Aromatic Hydrocarbons
- Melathene
Q.7:- Deposition of uric acid crystals at the joint is the cause of ?
- Arthritis
- Osteoporosis
- Osteomalacia
- Rickets
Q.8:- Acquired Immuno-Deficiency Syndrome (AIDS) is caused by ?
- Protozoa
- Virus
- Fungus
- Bacteria
Q.9:- The function of the heart is to ?
- Supply Oxygen to the tissues
- Carry Carbon Dioxide from the tissues
- Throw away waste materials
- Pump blood to different parts of the body
Q.10:- The red colour of human blood is due to ?
- Myoglobin
- Haemoglobin
- Immunoglobulin
- Haptoglobin
Q.11:- Which one of the following gives energy to our body ?
- Vitamins
- Water
- Carbohydrates
- Proteins
Q.12:- Nitrogenous food is ?
- Carbohydrate
- Lipid
- Protein
- Salts
Q.13:- The element which is required by the plant in large quantity ?
- Calcium
- Nitrogen
- Phosphorus
- Sulphur
Q.14:- Fiber diet includes ?
- Glycogen
- Proteins
- Cellulose
- Fats
Q.15:- Cockroach cannot survive in the water because its respiratory organ is ?
- Gill
- Trachea
- Book Lung
- Pulmonary Sac
Q.16:- Of which tissue nails, hoofs and horns are made of ?
- Cutide
- Chitin
- Keratin
- Tunicin
Q.17:- Heart attack occurs due to ?
- Bacterial attack on the heart
- Stopping of heart beat
- Lack of supply of blood to the heart itself
- Impairment of heart’s working due to unknown reasons
Q.18:- Which of the following pairs is correctly matched ?
- Vitamin A : Scurvy
- Vitamin B : Rickets
- Vitamin C : Night Blindness
- Vitamin E : Reproduction
Q.19:- Beak is formed by ?
- Cheeks
- Jaws
- Teeth
- None
Q.20:- The first stable product of photosynthesis is ?
- Starch
- Sucrose
- Phosphoglyceric acid
- Glucose
Q.21:- Crossing over occurs during ?
- Leptotene
- Zygotene
- Pachytene
- Diplotene
Q.22:- The histogen, from which epidermis is formed is ?
- Dermatogen
- Periblem
- Plerome
- Calyptrogen
Q.23:- Animal protein is called first class protein because it is ?
- Easily digestible
- Delicious in taste
- Cheaper in the market
- Rich in essential amino acids
Q.24:- In the grass lands, trees do not replace the grasses as a part of an ecological succession because ?
- Limited sun light and paucity of nutrients
- None of the options
- Insects and fungi
- Water limits and fire
Q.25:- When one gene pair hides the effect of the other unit, the phenomenon is referred to as ?
- Epistasis
- Mutation
- None of the options
- Dominance
