A. Double stranded RNA
B. Single stranded RNA
C. Polyribonucleotides
D. Proteinaceous
# How many amino acids are converted to alpha-ketoglutarate ?
A. Two
B. Three
C. Five
D. Seven
# Glycogen is:
A. Lipid
B. Carbohydrate
C. Globular protein
D. Fibrous protein
# Synecology is study of:
A. Ecosystem
B. Single species only
C. Population of species
D. Communities of various species and genera
# Metamorphosis occurs in:
A. Frog
B. Rabbit
C. Man
D. Snake
# The largest ovules in the plant world are found in:
A. Thuja
B. Pinus
C. Cycas
D. Banyan
# Which among the following is likely to have the highest levels of DDT depositions in its body?
A. Zooplankton
B. Frog
C. Eel
D. Phytoplankton
# The transfer of genes from one chromosome to another during synapsis, is termed as:
A. Linkage
B. Crossing over
C. Dominance
D. Independent assortment
# The biofertilizers are:
A. Anabena and Azolla
B. Fertilizers produced by biotechnology
C. Cow dung, manure and foryard waste
D. Quick growing crop ploughed under soil
# Which malarial parasite has longest incubation period?
A. P. vivax
B. P. malariae
C. P. ovale
D. P. falciparum
# Vitelline glands are found in:
A. Nereis
B. Pila globosa
C. Taenia solium
D. Fasciola hepatica
# In which of the following classes of echinodermata, bipinnaria larva is found?
A. Asteroidea
B. Crinoidea
C. Pentamera
D. Ophiurioidea
# Pellagra disease is caused due to the deficiency of:
A. Niacin
B. Riboflavin
C. Tocopherol
D. Folic acid
# At high altitude, the RBCs in human blood will:
A. increase in size
B. decrease in size
C. increase in number
D. decrease in number
# Green house effect is due to:
A. CO
B. CO2
C. NH3
D. PO4
# The layer found between cell wall of two cells is called:
A. Lysosome
B. Lomasome
C. Microsome
D. Middle lamella
# Syngenecious anther is found in:
A. Liliaceae
B. Malvaceae
C. Compositae
D. Cruciferae
# Reserve food material in fungi is:
A. Starch
B. Sucrose
C. Glucose
D. Glycogen
# Excretion in Amoeba occurs through:
A. Lobopodia
B. Uroid protein
C. Plasmalemma
D. Contractile vacuole
# Which of the following is excretory organ in Unio?
A. Nephridia
B. Flame cells
C. Keber's glands
D. Malphigian organ
# Smallest segment of genetic material affected by mutation is:
A. Recon
B. Cistron
C. Muton
D. Exon
# Mendel's dihybrid cross ratio:
A. 1:2:1
B. 9:3:3:1
C. 15:1
D. 12:4:3
# Casparian stripe is found in:
A. Periderm
B. Epidermis
C. Endodermis
D. Hypodermis
# Salmon fish is:
A. Anadromous
B. Catadromous
C. Both
D. None
# Which of the following fibre is not a plant product?
A. Flax
B. Cotton
C. Hemp
D. Silk
# Heparin is formed by:
A. Mast cell
B. Kidney cells
C. Blood cells
D. Bone marrow cells
# Hill reaction occurs in:
A. High altitude plants
B. Total darkness
C. Absence of water
D. presence of Ferricyanide
# Pollen grains are able to withstand extreme of temperature and dessication because their exine is composed of:
A. Cutin
B. Suberin
C. Sporopollenin
D. Callose
# Wood of cycas is:
A. Ring porous
B. Diffuse porous
C. Polyxylic
D. Pycnoxylic
# Protein coat of virus is called:
A. Capsid
B. Viroid
C. Prions
D. Shell
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