Q.1:- The hydrophilic nature of DNA is due to the presence of ?
- Thymine base
- A number of hydrogen bonds
- Phosphate group
- Deoxyribose sugar
Q.2:- ‘Survival of the fittest’ was coined by ?
- Darwin
- Lamarck
- Mendel
- Weismann
Q.3:- Food crops comprise ?
- Cotton, Tobacco, Sugarcane
- Linseed, Castor, Turmeric
- Foodgrains, Pulses, Edible Oilseeds
- Jute, Cotton, Chillies
Q.4:- Widal test is used for the diagnosis of ?
- Salmonellosis
- Malaria
- Cholera
- Typhoid
Q.5:- Which of the following statements is true ?
- Animals worry about raising their family
- Animals make several feeding trips in a day
- Animals often behave sensibly
- Animals do not know meaning of brotherhood
Q.6:- Cadmium pollution is associated with ?
- Minamata Disease
- Black Foot Disease
- Dyslexia
- Itai-Itai
Q.7:- Which one of the following is known as the ‘immovable property’ in the cell ?
- Carbohydrate
- Fat
- Protein
- Nucleic Acid
Q.8:- The contractile proteins in a muscle are ?
- Actin and Myosin
- Actin and Tropomyosin
- Myosin and Troponin
- Troponin and Tropomyosin
Q.9:- Molybdenum deficiency affects the activity of ?
- Chlorate Reductase
- Nitrogenase
- Nitrate Reductase
- All of the given options
Q.10:- The resources which are obtained from biosphere and have life are ?
- Potential Resources
- Biotic Resources
- Abiotic Resources
- Renewable Resources
Q.11:- The fleshy thalamus is edible in ?
- Apple
- Tomato
- Orange
- Mango
Q.12:- Which among the following is the sweetest sugar ?
- Lacrose
- Fructose
- Maltose
- Glucose
Q.13:- The maximum fixation of solar energy is done by ?
- Protozoa
- Bacteria
- Fungi
- Green Plants
Q.14:- Wings of birds and insects are ?
- Xenologous
- Homologous
- Paralogous
- Analogous
Q.15:- An enzyme produced by HIV that allows the integration of HIV DNA into the host cell’s DNA is ?
- Ligase
- Integrase
- Helicase
- DNA Gyrase
Q.16:- Microbial degradation of nitrates into atmospheric nitrogen is known as ?
- Ammonification
- Nitrification
- Denitrification
- Putrefaction
Q.17:- What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ?
- ATP
- Lactic Acid
- Ethyl Alcohol
- Carbon Dioxide
Q.18:- The process of imbibition involves ?
- Diffusion
- Capillary action
- Absorption
- Both (A) and (B)
Q.19:- Coupling and repulsion are the two states of ?
- Linkage
- Chiasma
- Mutation
- Crossing Over
Q.20:- A cell increases in volume when it is place in ?
- Hypertonic Solution
- Hypotonic Solution
- Isotonic Solution
- None of these
Q.21:- Glucose is a type of ?
- Pentose Sugar
- Hexose Sugar
- Tetrose Sugar
- Diose Sugar
Q.22:- Which one of the following is not a photosynthetic pigment ?
- Chlorophyll
- Phycobilin
- Carotenoid
- Anthocyanin
Q.23:- Who proposed Binomial Nomenclature ?
- Linnaeus
- John Ray
- Huxley
- Aristotle
Q.24:- Lungs of a plant are ?
- Leaves
- Stems
- Flowers
- Roots
Q.25:- The main function of palisade parenchyma in leaf is ?
- Antibiotics
- Pollutants
- Hormones
- Toxins
