Q.1:- Which of the following is an Anti-Oxidant ?
- Vitamin C
- Vitamin K
- Vitamin B
- Vitamin D
Q.2:- Which base in place of Thymine is present in RNA ?
- Adenine
- Guanine
- Uracil
- Cytosine
Q.3:- The tern ‘Green Revolution’ was coined by ?
- William Gaud
- Charles Elton
- Eugene Odum
- S. Swaminathan
Q.4:- Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as ?
- Threshold limit time
- Half time life
- Residual period
- Half-life period
Q.5:- What does ‘Ozone Layer’ absorb ?
- Infrared rays
- Ultraviolet rays
- X-rays
- G-rays
Q.6:- The red, orange and yellow colours of leaf is due to ?
- Aldehydes
- Tannis
- Lignins
- Carotenoid
Q.7:- Some of the ingredients required for bread making are ?
- Maida and Yeast
- Maida and Baking Powder
- Maida and Baking Soda
- Maida and Ghee
Q.8:- Which of the following can be used for biological control of mosquitos ?
- DDT
- Gambusia
- Oil
- Ointments
Q.9:- Who among the following have venous heart ?
- Mammals
- Reptilians
- Fishes
- Amphibians
Q.10:- The primary producer in an ecosystem are ?
- Women
- Men
- Plants
- Bacteria
Q.11:- What vessel carries the venous blood to the lungs for Oxygenation ?
- Pulmonary arteries
- Pulmonary veins
- Pulmonary arterio-venous shunt
- Right ventricle
Q.12:- The substance used to bring down body temperature in high fever is ?
- Tranquilisers
- Antipyretics
- Analgesics
- Antibiotics
Q.13:- The following sugar gives energy most readily ?
- Lactose
- Cellulose
- Maltose
- Glucose
Q.14:- Potassium meta-bisulphite is used as a food preservative for ?
- Squash
- Tomato Ketchup
- Fruit Juices
- Pickles
Q.15:- The trace metal present in Insulin is ?
- Iron
- Zinc
- Cobalt
- Manganese
Q.16:- The vitamin which cannot be had from any vegetables is ?
- Vitamin B
- Vitamin C
- Vitamin D
- Vitamin E
Q.17:- Maximum harm to a tree is caused by ?
- Loss of half of its leaves
- Loss of all leaves
- Loss of half of its branches
- Loss of its bark
Q.18:- Free living Nitrogen fixing microorganisms are ?
- Rhizobia
- Soil Fungi
- Vesicular Arbuscular Mycorrhiza
- Blue Green Algae
Q.19:- The protein present in the finger nail is ?
- Actin
- Myosin
- Globin
- Keratin
Q.20:- EEG is a technique to record the activity of ?
- Heart
- Lungs
- Brain
- Muscles
Q.21:- The largest flightless bird which can run at a great speed is ?
- Penguin
- Kiwi
- Ostrich
- Emu
Q.22:- Approximately how many times each day, do our heart valves open and close normally ?
- 10,000 times
- 1,00,000 times
- 1,50,000 times
- 2,00,0000 times
Q.23:- Jaundice is caused due to the infection of ?
- Brain
- Liver
- Kidney
- Spleen
Q.24:- A person having blood type B could safely donate blood to persons with blood types ?
- A and O
- B and O
- A and AB
- B and AB
Q.25:- Vitamin E is particularly important for ?
- Development of teeth
- Carbohydrate metabolism
- Normal activity of sex glands
- General health of epithelial tissues
