Q.1:- Which one of the following crop combination is not adopted in mixed cropping in India ? [SSC (LDC) Exam 2013]
- Wheat and Mustard
- Wheat and Chick Pea
- Rice and Ground Nut
- Ground Nut and Sun Flower
Q.2:- The cell wall of Xylem cells is rich in ?
- Lipid
- Protein
- Lignin
- Starch
Q.3:- The corner of the cells of collenchyma tissue in plant are thickened due to deposition of ? [NDA Exam 2005]
- Lignin and Suberin
- Suberin and Cutin
- Cellulose and Pectin
- Chitin and Lignin
Q.4:- Which of the following is used as rodenticide ? [SSC Exam 2014]
- Zinc Phosphide
- Zinc Carbonate
- Zinc Chloride
- Zinc Sulphide
Q.5:- White bud in maize indicates acute deficiency of ?
- Sulphur
- Potassium
- Zinc
- Manganese
Q.6:- Ornithology is the study of ?
- Mammal
- Birds
- Fishes
- Bat
Q.7:- Branch of science which deal with the study of various aspects of different races of mankind ?
- Eugenics
- Euthenius
- Ethnology
- Palaeontology
Q.8:- Study of effect of radiation on plant and animal is ?
- Pathology
- Etiology
- Radiobiology
- Cosmology
Q.9:- Study of lizards is called ?
- Saurology
- Serpentology
- Serology
- None of the above
Q.10:- Golden view of sea shell is due to ? [UPSC Exam 2015]
- Reflection
- Refraction
- Polarization
- Internal Reflection
Q.11:- Life cycle of plasmodium in mosquito was discovered by ?
- Louis Pasture
- Ronald Ross
- Charles Darwin
- Mendel
Q.12:- Which of the following have no blood but they respire ?
- Cockroach
- Earthworm
- Hydra
- Kangaroo
Q.13:- Octopus comes under phylum ? [IAS (Pre) Exam 2003]
- Arthropoda
- Hemichordata
- Mollusca
- Echinodermata
Q.14:- Number of eyes found in earthworm ? [SSC Mat Exam 1999]
- One
- Two
- Many
- No Eye
Q.15:- The pigment found in the blood of earthworm is ?
- Hemocyanin
- Hematine
- Haemoglobin
- Cyanine
Q.16:- Among the breeds of cows mentioned below which one is not indigenous ? [BSSC Exam 2015]
- Holstein-Friesian
- Gir
- Red-Sindhi
- Tharparkar
Q.17:- Round Worm comes under phylum ?
- Annelid
- Nemathelminthes
- Platyhelminthes
- Arthropoda
Q.18:- Larva of house fly called ? [IAS (Pre) Exam 2000]
- Pupa
- Imago
- Magote
- None of the above
Q.19:- Fishes die out of water because ? [39th BPSC (Pre) Exam 1994]
- They get more Oxygen
- Temperature of body increased
- They cannot respire
- They cannot walk in water
Q.20:- Insects have ?
- Three pair of legs
- Four pair of legs
- Five pair of legs
- None of the above
Q.21:- The snake who make their nest ? [IAS (Pre) Exam 1995]
- Chain Viper
- King Cobra
- Krait
- Shaw Scaled Viper
Q.22:- Among the following animals choose the one having three pair of legs ? [CDS Exam 2014]
- Spider
- Scorpion
- Bug
- Mite
Q.23:- Pheromones is found in ? [RAS / RTS (Pre) Exam 2008]
- Insect
- Snake
- Birds
- Bat
Q.24:- In which one of the following animals, skin is a respiratory organ ? [NDA Exam 2008]
- Cockroach
- Frog
- Spark
- Whale
Q.25:- Which of the following is a female sex hormone ? [SSC Graduate Level Exam 2000]
- Estrogen
- Androgen
- Auxin
- Insulin
