Date & Time: 6th March 2019, 11:00 am
Duration: 3h
As the base sequence present on one strand of.DNA decides the base sequence of other strand, this strand is considered as __________
Descending strand
Leading strand
Lagging strand
Complimentary strand
Chapter:
________ shows haplo-diploid type of sex-determination.
Pigeon
Honey bee
Parrot
Snake
Chapter: [7.02] Chromosomal Basis of Inheritance
Membrane bound receptors and hormones produce second messengers like _________.
Renin
IP3
ANF
GHRF
Chapter: [10.03] Control and Co-ordination
During double fertilization second male gamete fuses with ___________.
antipodal cell
egg cell
secondary nucleus
synergidsv
Chapter:
What is Sinus arrhythmias?
Chapter: [10.01] Circulation
By which process ammonia is converted into urea in liver?
Chapter: [10.02] Excretion and Osmoregulation
A person is showing symptoms like increased BMR, heart rate, pulse rate, blood pressure and deposition of fats in eye sockets. Name the disease he is suffering from.
Chapter: [10.03] Control and Co-ordination
Define apiculture. Name the products obtained from it.
Chapter: [9.02] Animal Husbandry
Define biofertilizers. Give two types of fungal biofertilizers
Chapter:
Give the types of blood proteins and human hormone’s produced by recombinant DNA-technique
Chapter: [0.04] Molecular Basis of Inheritance
Write any two scientific and commercial values of transgenic animals in favour of human being.
Chapter: [8.01] Genetic Engineering and Genomics
Define ‘Respiratory Quotient’ (RQ) and calculate the Respiratory Quotient for Carbohydrate.
Chapter:
Light and dark reactions are interdependant Explain.
Chapter:
Classify the chromosomes on the basis of position of centromere.
Chapter: [7.02] Chromosomal Basis of Inheritance
Sketch and label structure of male gametophyte in angiosperm. What is Siphonogamy?
Chapter:
| Group 'A' | Group 'B' |
| (a) Diethylc Carbamacine | (1) AIDS |
| (b) Widal test | (2) Pneumonia |
| (c) Albendazole | (3) Filariasis |
| (d) HAART | (4) Typhoid |
| (5) Ascariasis |
Chapter: [9.01] Human Health and Diseases
Complete the following chart and rewrite.
| Sr.No. | Agencies | type of pollination |
| 1 | Water | .................... |
| 2 | ........................... | Entomophily |
| 3 | Bat | .................... |
| 4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Chapter: [0.01] Reproduction in Lower and Higher Plants
What is Biofortification? Explain selective breeding with suitable example.
Chapter: [0.11] Enhancement of Food Production
In the light of Griffith’s experiment, explain the action of two stains of Diplococcus pneumoniae and give his conclusion.
Chapter:
Give scientific reasons:
(A) The pyramid of enegy is always upright.
(B) In an ecosystem the energy flow is always unidirectional.
(C) Ozone present in the stratosphere is called as “good ozone”.
Chapter:
Define ‘reproductive isolation’ and explain two types of reproductive isolation.
Chapter: [7.01] Origin and the Evolution of Life
Name the connecting link between glycolysis and TCA cycle and explain it.
Chapter:
Explain internal structure of kidney with the help of suitable diagram.
Chapter: [10.02] Excretion and Osmoregulation
Explain the mechanism of reflex action with the help of a suitable diagram.
Chapter: [10.03] Control and Co-ordination
Define pollution. “Industries are pouring poison in water” - Explain
Chapter: [12.01] Organisms and Environment 2
With the help of a suitable diagram, describe Ultra structure of the cell organalle, which is essential for photosynthesis.
(OR)
During photosynthesis “O2 is evolved from water molecule and not from CO2”. Give the experimental proof given by Robert Hill.
Chapter:
Explain with the help of a suitable diagram conducting system of human heart.
(OR)
Give reasons :
(1) Lymphatic vessels are milky in appearance.
(2) Monocytes are called scavengers.
(3) The wall of left ventricle is thicker than right ventricle.
(4) Valves are present in the veins.
(5) Pulmonary veins carry oxygenated blood.
Chapter: [10.01] Circulation
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
(OR)
A pea plant homozygous for yellow round seed is crossed with its recessive parents. Calculate the phenotypic and genotypic ratio with the help of checker board.
Chapter:
After puberty human female shows cyclic changes in her reproductive system. Explain structural and hormonal changes in the uterus.
(OR)
Give reasons :
(1) Scrotal sac serves as thermoregulator.
(2) Corpus luteum gets converted into corpus albicans in absence of fertilization.
(3) Missing of menses is the first indication of pregnancy.
(4) Surgical sterilization is a permanent method of birth control. (5) Human egg is microlecithal.
Chapter: [11.01] Human Reproduction
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