Q.1:- The saliva helps in the digestion of ?
- Proteins
- Starch
- Fibres
- Fats
Q.2:- Biodegradable wastes can usually be converted into useful substances with the help of ?
- Bacteria
- Nuclear Proteins
- Radioactive Substances
- Viruses
Q.3:- The scavengers of earth are ?
- Bacteria
- Viruses
- Algae
- Fungi
Q.4:- An organism which can monitor air pollution is ?
- Bacteria
- Lichen
- Algae
- Fungi
Q.5:- In a poultry unit, the factor most influencing the cost is the cost of ?
- Feed
- Transportation
- Chicks
- Medicines
Q.6:- Medicine of Quinine is provided by ?
- Cinchona plant
- Money plant
- Eucalyptus plants
- Aconite plants
Q.7:- Bacterial cells do not have ?
- Cell wall
- Plasma membrane
- Ribosome
- Mitochondria
Q.8:- Which one of the following is not a rabi crop ?
- Mustard
- Rice
- Wheat
- Gram
Q.9:- Leaving agricultural land uncultivated for some years known as ?
- Intensive farming
- Fallowing
- Shifting cultivation
- Subsistence farming
Q.10:- Foramen Magnum is an aperture found in the ?
- Ear
- Lung
- Girdle
- Skull
Q.11:- The vitamin which is very labile and easily destroyed during cooking as well as storage is vitamin ?
- D
- C
- B6
- K
Q.12:- The smallest known prokaryotic organism is ?
- Microcystis
- Mycoplasma
- Bacteria
- Chlorella
Q.13:- Which fruit has its seed outside ?
- Strawberry
- Banana
- Groundnut
- Cashew Nut
Q.14:- Typhoid fever is caused by ?
- Bacteria
- Virus
- Protozoa
- Fungi
Q.15:- The cells which are closely associated and interacting with guard cells are ?
- Transfusion tissue
- Complementary cells
- Subsidiary cells
- Hypodermal cells
Q.16:- A clone is a group of individuals obtained through ?
- Hybridisation
- Micro-propagation
- Cross Pollination
- Self-Pollination
Q.17:- Sporangia bearing leaf of a fern is called ?
- Ramentum
- Indusium
- Sorus
- Sporophyll
Q.18:- The harmful substances produced by the microbes are known as ?
- Antibiotics
- Pollutants
- Hormones
- Toxins
Q.19:- An adult human normally has ?
- 6 Molar Teeth
- 8 Molar Teeth
- 10 Molar Teeth
- 12 Molar Teeth
Q.20:- Which of these fruits develop from an inflorescence ?
- Apple
- Guava
- Pineapple
- Grape
Q.21:- Hepatitis is a ?
- Heart Disease
- Lung Disease
- Liver Disease
- Kidney Disease
Q.22:- The population of which of the following is maximum on the earth ?
- Fishes
- Beetles
- Reptiles
- Birds
Q.23:- When Nitrogenous waste accumulates in the blood which organ is not functioning ?
- Liver
- Lungs
- Kidneys
- Heart
Q.24:- The part of the flower that can carry out photosynthesis is ?
- Androecium
- Gynoecium
- Calyx
- Corolla
Q.25:- Ascent of sap in plants takes place through ?
- Pith
- Phloem
- Cambium
- Xylem
