Q.1:- Cellulose is the chief constituent of ?
- Cell Wall
- Cell Membrane
- Secondary wall of Xylem
- Body wall of insects
Q.2:- Haemoglobin is an important constituent of ?
- Red blood cells
- White blood cells
- Platelets
- Plasma
Q.3:- Which one of the following is used as a food preservative ?
- Sodium Benzoate
- Sodium Thiosulphate
- Sodium Hydroxide
- Sodium Bicarbonate
Q.4:- In the human body, fats are stored in the ?
- Epidermis
- Adipose tissue
- Liver
- Epithelium
Q.5:- Which one of the following is a condition of delayed blood clotting ?
- Haemorrhage
- Hematuria
- Haemophilia
- Anaemia
Q.6:- Greater population can be supported on the Earth only if we eat more ?
- Mutton
- Eggs
- Plant Products
- Beef
Q.7:- Total number of muscles present in our body is ?
- 565
- 656
- 665
- 556
Q.8:- Which one of the following glands is responsible for secretion of sex hormones ?
- Adrenal gland
- Thyroid gland
- Pituitary gland
- Sebaceous gland
Q.9:- ‘Stone Cancer’ occurs due to ?
- Acid rain
- Global warming
- Radioactivity
- Bacterial action
Q.10:- Haemoglobin has highest affinity for ?
- Oxygen
- Carbon Dioxide
- Carbon Monoxide
- Nitrogen
Q.11:- The richest known sources of edible protein are ?
- Meat and Eggs
- Some algae and other microorganisms
- Soyabean and Groundnut
- Milk and Leafy Vegetables
Q.12:- An ant can see the objects all around it due to the presence of ?
- Eyes over the head
- Well-Developed eyes
- Compound eyes
- Simple eyes
Q.13:- Substances which are used to bring down the temperature in high fever condition are called ?
- Antiseptics
- Pyretics
- Antipyretics
- Antibiotics
Q.14:- Odontology is the branch of science which deals with the study of ?
- Teeth
- Ontogeny
- Bone
- Ageing
Q.15:- Jaws are absent in ?
- Birds
- Fishes
- Protochordates
- Reptiles
Q.16:- An invertebrate does not have ?
- Notochord
- Body Cavity
- Haemocoel
- Gills
Q.17:- A seed can germinate in the absence of ?
- Adequate light
- Supply of Oxygen
- Suitable moisture
- Suitable temperature
Q.18:- Blood fails to clot white flowing in the blood vessel because of the presence of ?
- Heparin
- Prothrombin
- Haemoglobin
- Hirudin
Q.19:- Which of the following is biodegradable ?
- Paper
- D.T.
- Aluminium
- Plastic
Q.20:- Types of vertebrate animals which creep and crawl are called ?
- Mammalians
- Amphibians
- Mollusks
- Reptilians
Q.21:- The process of photosynthesis involves conversion of ?
- Chemical energy into radiant energy
- Chemical energy into mechanical energy
- Solar energy into chemical energy
- Mechanical energy into solar energy
Q.22:- Blood pressure may be increased by the excessive secretion of ?
- Thyroxine
- Testosterone
- Estradiol
- Estrol
Q.23:- Transboundary pollution (or) Acid rain is caused by ?
- Carbon Monoxide
- Carbon Dioxide
- Hydrocarbon
- Nitrogen Oxide and Sulphur Dioxide
Q.24:- What is the Normal Blood Volume in human adult ?
- One Litre
- Three Litres
- Five Litres
- Seven Litres
Q.25:- The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of ?
- Coughing
- Sneezing
- A and B
- Urination
