Q.1:- The chemicals released by one species of animals in order to attract the other members of the same species are ?
- Hormones
- Nucleic Acids
- Pheromones
- Steroids
Q.2:- The toxicity of which of the following heavy metals leads to liver cirrbosis ?
- Copper
- Lead
- Mercury
- Zinc
Q.3:- For a healthy heart, one needs to take a balanced diet, adequate sleep and ?
- Indulge in vigorous mental activities
- Play games like carom, chess and cards
- Do right amount of physical exercise
- Do sedentary work
Q.4:- In a food, the solar energy utilized by plants is only ?
- 10 percent
- 1 percent
- 1 percent
- 01 percent
Q.5:- A large amount of identical plants can be obtained in a short span of time through ?
- Large number of seeds of a single plant
- Stem cuttings
- Tissue culture technique
- Hydroponics method
Q.6:- Saliva helps in the digestion of ?
- Fats
- Starch
- Proteins
- Vitamins
Q.7:- The dried flower buds are used as a spice in ?
- Cardamom
- Cinnamon
- Cloves
- Saffron
Q.8:- The number of heart beats on an average in an adult human is in the range of ?
- 60-65
- 66-70
- 71-80
- 85-90
Q.9:- The element which is rich in most leafy vegetables is ?
- Phosphorous
- Zinc
- Iron
- Calcium
Q.10:- Why death of fish is more common during summer than in winter ?
- Shortage of food
- Concentration of toxins
- Depletion of Oxygen
- Spread of diseases
Q.11:- Human beings have two ears because two ears help ?
- To judge the direction of sound
- To hear even a feeble sound
- To enjoy music better
- To distinguish between two kinds of sounds arriving at the ears in opposite directions
Q.12:- Normal blood pressure of man is ?
- 80 / 120 mm Hg
- 90 / 140 mm Hg
- 120 / 160 mm Hg
- 85 / 120 mm Hg
Q.13:- High level of Uric Acid in the blood causes ?
- Arthritis
- Gout
- Rheumatism
- Asthma
Q.14:- The membrane covering the lungs is a ?
- Pleura
- Pericardium
- Peritoneum
- Mesothelium
Q.15:- In digestion, proteins are converted into ?
- Fatty acids
- Glucose
- Amino Acids
- Maltose
Q.16:- Which of these produces energy ?
- Carbohydrates
- Proteins
- Vitamins
- Mineral Salts
Q.17:- The floral part that produces pollen grains is ?
- Sepal
- Petal
- Anther
- Ovary
Q.18:- Which of these is a modified underground stem ?
- Radish
- Carrot
- Sweet Potato
- Potato
Q.19:- The function of Trypsin is to ?
- Break down fats
- Synthesize proteins
- Break down proteins
- Break down Carbohydrates
Q.20:- Which of these joints is a Hinge Joint ?
- Hip
- Elbow
- Shoulder
- Wrist
Q.21:- Which virus from the following combinations is contagious for human beings ?
- H5N1
- H1N5
- H2N3
- H4N2
Q.22:- Which cells in our body have the least regenerative power ?
- Brain cells
- Muscle cells
- Bone cells
- Liver cells
Q.23:- A person having AB-Group of blood can donate blood to a person having ?
- A group
- B group
- AB group
- O group
Q.24:- Minamata disease was caused by ?
- Mercury
- Lead
- Cadmium
- Zinc
Q.25:- Which one of the following is an extinct animal ?
- Passenger pigeon
- Mountain quail
- Pink headed duck
- Ibis
