Q.1:- Insects that can transmit diseases to human are referred to as ?
- Carriers
- Reservoirs
- Vectors
- Incubators
Q.2:- Which of the following mineral is essential for controlling heat beat ?
- Sodium
- Sulphur
- Bromine
- Iodine
Q.3:- Outer coating of a capsule is made up of ?
- Protein
- Calcium Carbonate
- Cellulose
- Starch
Q.4:- Respiration occur in fishes through ?
- Lung
- Gill
- Nostril
- Scales
Q.5:- Sea Horse is the example of Phylum ?
- Fishes
- Mammal
- Reptile
- Mollusca
Q.6:- How many pairs of heart an earthwork have ?
- One
- Two
- Three
- Four
Q.7:- Which of the following is not useful for manking ?
- Honey Bee
- Earthworm
- Tape Worm
- Silkworm
Q.8:- Poison in Scorpion is found in ?
- Mouth
- Leg
- Hand
- Telson
Q.9:- Which one of the following animals belongs to Mollusca ?
- Hyla
- Haliotis
- Hydra
- Hare
Q.10:- Restriction enzyme was discovered by ?
- Smith and Nathans
- Berger
- Waksman
- Fleming
Q.11:- The enzyme that are used as molecular scissors to cut DNA at specific sites for various purposes in genetic engineering ?
- DNA Ligases
- DNA Polymerases
- Restriction Endonucleases
- Restriction Exonu Leases
Q.12:- The smallest prokaryotic organism known ?
- Microcyostis
- Mycoplasm
- Bacteria
- Chlorolla
Q.13:- Leucoplast found in mainly ?
- Cells of root
- Cells of stem
- Cells of leaf
- Cells of flower
Q.14:- Plant cells are generally without ?
- Ribosomes
- Plastids
- Lysosomes
- Vacuole
Q.15:- Nucleoid is present in ?
- Procaryotes
- Protozoa
- Green Algae
- None of these
Q.16:- Which organelle in the cell, other than nucleus, contains DNA ?
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosome
- Mitochondria
Q.17:- Name the tiny pores present on the surface of leaves in plants ?
- Hydathodes
- Stomata
- Trichomes
- Pits
Q.18:- Aerenchyma tissues are found in ?
- Mesophyte
- Perophytes
- Lithophytes
- Hydrophytes
Q.19:- Microorganism are found in ?
- Salted Water
- Sandy Soil
- Marshy Soil
- All Above
Q.20:- Coralloids are found in ?
- Cycus
- Lycopodium
- Selaginella
- Cocus
Q.21:- Which of the following animals breathes through the skin ?
- Fish
- Pigeon
- Frog
- Cockroach
Q.22:- Dr. Norman E. Borlaug belonged to ?
- Spain
- Mexico
- America
- Austria
Q.23:- India produces the maximum amount of ?
- Potato
- Sweet Potato
- Tea
- Corn
Q.24:- Which of the following crop enrich the soil with Nitrogen ?
- Potato
- Sorgum
- Sunflower
- Pea
Q.25:- Tap root commonly occur in ?
- Dicotyledons
- Monocotyledons
- Angiosperm
- Grass
