1) Apoplast is the system of adjacent cell walls that is continuous throughout the plant except at the
2) Six
3) Twelve
4) Zero
4) Both B&C
1) Smooth muscles with some connective tissue
Column I Column II
a) Fishes 1) Two-chambered
b) Amphibians 2) Three-chambered
c)Reptiles 3) Four-chambered
d) Birds
e) Mammals
1) a-1,b-1,c-2,d-2,e-3
2) a-1,b-1,c-2,d-3,e-3
3) a-1,b-2,c-2,d-3,e-3
4) a-1,b-2,c-3,d-2,e-2
12) Match the columns and choose the correct combination
Column I Column II
i)Ultrafiltration a) Henle s loop
ii) Concentration of urine b) Ureter
iii) Transport of urine c) Urinary bladder
iv) Storage of urine d) Malpighian corpuscl
e) Proximal convoluted tubule
1) i-d,ii-a,iii-b,iv-c
2) i-d,ii-c,iii-b,iv-a
3) i-e,ii-d,iii-a,iv-b
4) iv-e,ii-d,iii-a,iv-b
13) In the knee jerk reflex effector & receptor are
1) Muscle spindle & motor endplate respectively
2) Afferent neuron & efferent neuron respectively
3) Motor endplate & muscle spindle respectively
4) Sensory neuron & motor neuron respectively
14) During the conduction of nerve impulse, the action potential is the result of movement of
1) Na+ from intracellular fluid to extracellular fluid
2) Na+ from extracellular fluid to intracellular fluid
3) Na+ towards both directions
4) None of the above
15) Which one of the following hormones though synthesized elsewhere, is stored released by the master gland ?
1) Luteinizing
2) Prolactin
3) Melanocyte stimulating hormone
4) Antidiuretic hormone
16) The terms “sporoderm” and “ spermoderm” are used to represent, respectively
1) Spore wall & sperm wall
2) Anther wall & seed coat
3) Spore wall & seed coat
4) Integument of ovule &sperm wall
17) In some angiosperms &gymnosperms, multiple embryos are produced in which of the following way/ways?
1) By fertilization of synergids or antipodal cells by sperms
2) By cleavage of single zygote
3) One or more cells of the nucellus or integument develop into embryo
4) All of these
18) In pea, the pollen tube comes out of the pollen grains present on slide having 10% sugar solution in about
1) 5-10min
2) 15-30 min
3) 5-7 days
4) 1 month
19) The production of apomitic embryo from the cells of nucellus or integument is called
1) Parthenocarpy
2) Sporophytic budding
3) Adventive polyembryony
4) Both 2 &3
20) Polygonum type of embryo sac is
1) 7-celled , 8-nucleated structure
2) 8-celled , 8-nucleated structure
3) 6-celled , 8-nucleated structure
4) 6-celled , 6-nucleated structure
21) Which of the following plays important role in concentrating testosterone in the seminiferous tubules ?
1) Leydig,s cells
2) Sertoli cells
3) Granulosa cells
4) Tubuli recti
22) The fall in the number of sperms per millimeter of semen causes sterility. This is due to insufficient amount of
1) Acid phosphates
2) Alkaline phosphates
3) Testosterone
4) Hyaluronidase
23) Mosaic or determinate cleavage is found in
1) Sponges,echinoderms and eutherian mammals
2) Cyclostomes, elasmobranchs, dipnoi, amphibian, & cephalopod mollusks
3) Coelenterates
4) Nematodes & amphioxus
24) Fertilization is fusion of
1) Diploid spermatozoan with diploid ovum to from diploid zygote
2) Haploid spermatozoan with dip loid ovum to from diploid zygote
3) Diploid spermatozoan with haploid ovum to form diploid zygote
4) Haploid spermatozoan with haploid ovum to form diploid zygote
25) Which of the following cannot be considered as an advantage of amniocentesis?
1) Prenatal diagnostics
2) Detection of biochemical abnormalities
3) Detection of congenital defects
4) Determination of sex to abort female fetus
26) A holandric gene is known for hypertrichosis( long hairs on ears . When a man with hairy ears marries a normal woman, what percentage of their daughters would be expected to have ears?
1) 100%
2) 0%
3) 50%
4) 25%
27) Which one of the following genes influences the viability of the organisms when present in homozygous condition ?
1) Curly wings gene in Drosophila
2) Plum eyes gene in Drosophila
3) Sickle-Cell gene
4) All of these
28) A normal woman, whose father had hemophilia, married a normal man. What is the chance of occurrence of hemophilia in their children?
1) 25% children will be hemophilic
2) 50% children will be hemophilic
3) 75% children will be hemophilic
4) None hemophilic but 75% will be carriers
29) Select the correct statement from the ones gives with respect to dihybrid cross?
1) Tightly linked genes on the same chromosome show higher recombinations
2) Genes far apart on the chromosome show very few recombinations
3) Genes loosely linked on the same chromosome show similar recombinations as the tightly linked ones
4) Tightly linked genes on the same chromosome show very few recombinations
30) A normal- visioned man whose father was colorblind marries a woman whose father was also colorblind. They have their first child as a daughter. What are the chances that this child would as a daughter. What are the chances that this child would be colorblind?
1) Zero percent
2) 25 %
3) 50%
4) 100%
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