BPKIHS 2001 Biology MCQs - MBBS Entrance Exam

# Which of the following may arise from any 3 germ layers?
A. Connective tissue
B. Epithelial tissue
C. Nervous tissue
D. Muscular tissue

# Which of the following secrete the same hormone?
A. Thyroid and adrenal
B. Placenta and ovary
C. Testes and adrenal
D. Hypothalamus and posterior pituitary



# Which of the following element doesn't play main role in green plant?
A. Fe
B. Mn
C. Mg
D. Mo

# Which of the following induces photorespiration?
A. High temperature
B. High O2 concentration
C. High CO2 concentration
D. High light intensity

# A man was suddenly jerked but he managed to balance his body. What worked there?
A. Otoliths
B. Endolymph of semicirculars
C. Organs of Corti
D. Ear ossicles

# Opium is obtained from the immature capsule of:
A. Papaver somniferum
B. Claviceps
C. Rauwolfia
D. Ocimum sanctum

# If a diploid female plant is hybridized with a tetraploid male plant, then the endosperm is:
A. Diploid
B. Tetraploid
C. Hexaploid
D. Octaploid

# Polymorphism is found in:
A. Hydra
B. Coral
C. Physalia
D. Sponges

# A flowering plant of 2n=24 is kept as stock and another flowering plant of 2n=48, then no of chromosomes in the root tip and flower of the new plant is:
A. 12 and 24
B. 24 and 24
C. 48 and 12
D. 24 and 36

# Hunger and thirst are under direct control of:
A. Cerebrum
B. Cerebellum
C. Hypothalamus
D. Epithalamus

# Which statement is true?
A. Player with much white muscles can run faster
B. Player with much white muscles can swim faster
C. Player with much red muscles can run faster
D. Player with red muscles tire soon

# Which statement is true?
A. Myoglobin has more affinity for O2 than hemoglobin
B. Hemoglobin has more affinity for O2 than hemoglobin
C. CO has less affinity for hemoglobin than O2
D. None of the above

# The no. of ATP and NADPH2 required to fix 3 CO2 molecules in calvin cycle:
A. 6 ATP & 6 NADPH2
B. 9 ATP & 6 NADPH2
C. 12 ATP & 6 NADPH2
D. 6 ATP & NADPH2

# How many amino acids are coded by 64 codons?
A. 64
B. 20
C. 100
D. 1000

# The process in which m-RNA codes for proteins is:
A. Transformation
B. Transcription
C. Translation
D. Transduction

# Sucking roots present in parasites are known as:
A. Assimilatory roots
B. Pneumatophores
C. Haustorial roots
D. Velamen root

# Identical twins are formed from:
A. 2 ova 1 sperm
B. 1 sperm 1 ova
C. 2 sperm 1 ova
D. 1 ova many sperms

# When the blood just enters the aorta:
A. The atrium is at the beginning of diastole
B. The atrium is at diastole
C. The ventricle is at diastole
D. All of these

# Acetylcholine, Adrenaline, norepinephrine are:
A. Enzymes
B. Hormones
C. Neurotransmitters
D. Vitamins

# Which male and female reproductive organs are homologous?
A. Penis and Oviduct
B. Vas differentia and Ovary
C. Penis and Clitoris
D. Urinary bladder and Uterus

# The leaves of grasses roll because:
A. They are very thin
B. They have Kranz anatomy
C. They have bulliform cells
D. They have no epidermis

# Which of the following pairs have the same body plan and symmetry?
A. Obelia and Starfish
B. Cockroach and frog
C. Hydra and Earthworm
D. Pigeon and Leucosolenia

# The term 'NPK' written on the fertilizer bags refer to:
A. Nitrogen, Phosphorus, Potassium
B. Nitrogen, Protein, Potassium
C. Sodium, Potassium, Phosphorus
D. Calcium, Phosphorus, Sodium

# Exarch xylem has:
A. Protoxylem towards centre and metaxylem towards periphery
B. Metaxylem towards centre and protoxylem towards periphery
C. Meta and protoxylem arranged radially
D. Meta and protoxylem on the same side

# When an albino plant is crossed with a normal plant, the resulting offspring is normal because:
A. Normal character is dominant over albino
B. Atavism takes place
C. Inheritance takes place through maternal cell
D. Plants prefer normal character to albino

# DNA has which sugar in it:
A. Hexose
B. Ribose
C. Deoxyribose
D. Glucose

# The most widely used method for prenatal detection of genetic disorders is:
A. Family tree
B. Amniocentesis
C. Karyotyping
D. None of them

# The mitosis can be readily observed in:
A. Root apex
B. Testes of grasshopper
C. Ovary of Rabbit
D. Nerve cells

# The pores specialized for guttation in plants are called:
A. Lenticels
B. Stomata
C. Hydathodes
D. Guard cells

# The parasympathetic nervous system:
A. has epinephrine as neurotransmitter
B. has ganglions near the organ
C. accelerates most of the peripheral organs
D. All of the above