A. Lysosomes
B. Ribosomes
C. Mitochondria
D. Peroxisomes
# Cells of germinal epithelium are:
A. Columnar
B. Glandular
C. Cuboid
D. Ciliated
# Peripatus is a connective link between:
A. Annelida and mollusca
B. Annelida and arthropoda
C. Annelida and Echinodermata
D. Mollusca and arthropoda
# Which one of the following is a true fish?
A. Devil fish
B. Cuttle fish
C. Silver fish
D. Flying fish
# Salamander is:
A. Reptile
B. Mammal
C. Amphibian
D. Bird
# Flame cells are excretory units in:
A. Coelenterate
B. Arthropoda
C. Platyhelminthes
D. Nematoda
# Sponges differ from other metazoans in having:
A. Hollow body
B. Coelenteron
C. Collared cells
D. Tentacles
# Which of the following terms represent the genes of contrasting expression of the same genetic trait?
A. Allelomorph
B. Phenotype
C. Homozygous
D. Heterozygous
# In which of the following biogeographical region does Nepal lie?
A. Oriental
B. Neotropical
C. Nearctic
D. Paleartcic
# Female of the following carries eggs on her back?
A. Common Indian frog
B. Surinam toad
C. Midwife toad
D. Tree frog
# The two pairs of wings of cockroach are attached to:
A. Mesothorax and metathorax
B. Prothorax and mesothorax
C. Prothorax and Metathorax
D. First two abdominal segments
# A single primary spermatocyte and a single primary oocyte will respectively produce:
A. One sperm and four eggs
B. Two sperms and one egg
C. Two sperms and three polar body
D. Four sperms and one egg
# Which of the following animals is beneficial during twilight hours are called:
A. Crepuscular
B. Nocturnal
C. Diurnal
D. Circadian
# The main function of sweat gland in mammals is:
A. Excretion of salt
B. Excretion of nitrogeneous substances
C. Water regulation
D. Regulation of body temperature
# Ceruminous glands are situated:
A. Around anus
B. In external auditory meatus
C. In eye lids
D. In arm pits
# Obturator foramen of rabbit is found in:
A. Pelvic girdle
B. Pectoral
C. Shoulder girdle
D. Skull
# Animals that eat their own faeces are called:
A. Microphagus
B. Macrophagus
C. Coprophagus
D. Aerophagus
# Cow and other ruminants digest cellulose with the help of bacteria present in their:
A. Colon
B. Caecum
C. Rectum
D. Stomach
# Which of the following functions as both the exocrine and endocrine gland?
A. Thyroid
B. Pituitary
C. Pancreas
D. Mammary glands
# Which of the following organisms causes most severe form of malaria?
A. Plasmodium vivax
B. Plasmodium falciparum
C. Plasmodium ovale
D. Plasmodium malariae
# The maximum reabsorption of water takes place in:
A. Proximal convoluted tubule
B. Bowman's capsule
C. Henle's loop
D. Distal convoluted tubule
# The mammalian urine is:
A. Equitonic
B. Hypertonic
C. Isotonic
D. Hypotonic
# Heart is supplied by:
A. Vagus nerve
B. Glossopharyngeal nerve
C. Facial nerve
D. Trigeminal nerve
# A person who cannot see the near objects clearly is likely to use:
A. Convex lens
B. Concave lens
C. Bifocal lens
D. Cylindrical lens
# Among the ancient men, the artistic sense was most highly developed in:
A. Cro Magnon
B. Java man
C. Neanderthal man
D. Peking man
# Acromegaly results due to the excess production of the following:
A. Growth hormone
B. Insulin
C. Thyroxine
D. Adrenaline
# A very good power of regeneration is found in:
A. Lungs
B. Liver
C. Kidneys
D. Spleen
# Ageing is associated with the disappearance of:
A. Thyroid
B. Parathyroids
C. Pituitary
D. Thymus
# Green house effect is due to the presence of:
A. CO2 in the atmosphere
B. Infrared radiations
C. Ozone layer in the atmosphere
D. Moisture in the atmosphere
# Black rust of wheat is caused by:
A. Puccinia
B. Ustilago
C. Alternaria
D. Albugo
# Codon is:
A. A sequence of three nucleotides which codes for one amino acid
B. A sequence of three nucleotides which codes for one fatty acid
C. A sequence of four nucleotides which codes for one amino acid
D. A sequence of four nucleotides which codes for one fatty acid
# A prokaryotic cell has:
A. 50s ribosome
B. 60s ribosome
C. 70s ribosome
D. 80s ribosome
# The hinder free part of the soft palate which hangs down freely as a small flap is called:
A. Rugae
B. Uvula
C. Frenulum
D. Sulcus terminalis
# Which of the following structure other than nucleus contains DNA?
A. Golgi apparatus
B. Mitochondria
C. Endoplasmic reticulum
D. Ribosome
# As the size of a protein increases:
A. It becomes less soluble and more heat coagulable
B. It becomes more souble and more heat coagulable
C. It becomes less soluble and less heat coagulable
D. It becomes more soluble and less heat coagulable
# A light microscope usually has a magnification of about:
A. 2000 times
B. 1500 times
C. 1000 times
D. 500 times
# X ray crystallography is used to study:
A. Arrangement of proteins
B. Three dimensional structure of proteins
C. Composition of proteins and nucleic acids
D. Structure of lipids
# Cyanide kill an organism by inhibiting:
A. Hexokinase
B. Cytochrome oxidase
C. Succinate dehydrogenase
D. Histidine decarboxylase
# A cell stops growing due to shortage of nutrients, this would happen in:
A. G1 phase
B. S phase
C. G2 phase
D. M phase
# DNA polymerase is required for the synthesis of:
A. DNA from DNA
B. DNA from RNA
C. DNA from nucleotides
D. DNA from nucleosides
# Five kingdom system of classification for liviing organisms was proposed by:
A. Copeland
B. Oswald Tippo
C. Linnaeus
D. Whittaker
# Yeasts are harmful for:
A. Baking industry
B. Pharmaceutical industry
C. Alcohol industry
D. Silk industry
# Parkinson's disease affects:
A. Brain
B. Lung
C. Muscles
D. Kidney
# Which among the following is known as "Jumping genes"?
A. Chondriogene
B. Recon
C. Transposon
D. Peastogene
# When the fats are the respiratory substrates, the respiratory quotient will be:
A. Unity
B. Less than unity
C. More than unity
D. Zero
# 'Late blight' of potato is caused by:
A. Syncytium endobioticum
B. Phytophthora infestans
C. Alternaria solani
D. Pseudomonas solanacearum
# The end product of Krebs cycle is:
A. Pyruvic acid
B. Citric acid
C. Lactic acid
D. CO2 and H2O
# 'Little leaf' is caussed due to the deficiency of:
A. Boron
B. Copper
C. Zinc
D. Phosphorus
# Proteins are synthesized by:
A. Endoplasmic reticulum
B. Mitochondria
C. Ribosome
D. Lysosome
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