inhibiting physiological and morphological uterine changes required for implantation
increasing phagocytosis of spermatozoa within uterus
suppressing motility of sperms as well as their fertilising capacity
all of these

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Q. 2 of Quiz- (Que-ID : 2870)

Cu ions released from copper releasing intrauterine devices (IUDs)

prevent ovulation
make uterus unsuitable for implantation
decrease phagocytosis of sperms
suppress sperm motility

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Q. 11 of Quiz- (Que-ID : 3004)

Meiosis occurs for the human female in ______.

Pancreas
Liver
Ovary
Kidney

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Q. 24 of Quiz- (Que-ID : 3267)

the excretory product of Ascaris is

Urea
Ammonia
Both A and B
None

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Q. 4 of Quiz- (Que-ID : 2897)

Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?

Release of egg : 5 th day
Endometrium regenerates : 5 – 10 days
Endometrium secretes nutrients for implantation: 11 – 18 days
Rise in progesterone level : 1 – 15 days

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Q. 21 of Quiz- (Que-ID : 3014)

Synapsis occurs between

A male and female gametes
Ribosome and m-RNA
Spindle fibres and centromeres
Two homologous chromosomes

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Q. 2 of Quiz- (Que-ID : 2895)

After ovulation Graafian follicle regreses into

corpus atresia
corpus callosum
corpus luteum
corpus albicans

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Q. 20 of Quiz- (Que-ID : 2838)

Select the monocarpic plant out of the following.

Bamboo
Litchi
Mango
all of these.

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Q. 22 of Quiz- (Que-ID : 3465)

Animals undergo inactive stage during winters. It is called

Acclimatisation
Hibernation
Aestivation
Adapatation

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Q. 16 of Quiz- (Que-ID : 2985)

Which gland remove substances like sterols, hydrocarbons and waxes

Pineal gland
Pancreas
Gall bladder
Sweat glands

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Q. 13 of Quiz- (Que-ID : 3506)

Nandan Kanha Zoo is know for the

Nilgiri tiger
Hippopotamus
White Tiger
Whale

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Q. 5 of Quiz- (Que-ID : 3323)

Which of the following is the bacterial disease in humans ?

Dysentery
Malaria
Plague
Both (a) & (c)

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Q. 1 of Quiz- (Que-ID : 3369)

Integrated Pest Management (IPM) discourages the excessive used of

biological methods
chemical pesticides
mechanical methods
all of these

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Q. 8 of Quiz- (Que-ID : 3426)

In a Transgenic crop gene is for the following:

New protein synthesis
Resistance from Antibiotics
In the formation enzyme for Antibiotics
All of these

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Q. 9 of Quiz- (Que-ID : 3002)

The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

splitting of the centromeres
splitting of the chromatids
replication of the genetic material
condensation of the chromatin

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Q. 16 of Quiz- (Que-ID : 3109)

Toxicity of which element leads to the appearance of brown spots on leaves

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Q. 18 of Quiz- (Que-ID : 2911)

In humans, at the end of the first meiotic division, the male germ cells differentiate into the

spermatids
spermatogonia
primary spermatocytes
secondary spermatocytes

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Q. 1 of Quiz- (Que-ID : 2614)

Each tooth is embedded in a socket of jaw bone known as

Thecodont
Diphyodont
Heterodont
None of the above

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Q. 23 of Quiz- (Que-ID : 3316)

Amphibians were dominant during _______ period.

Carboniferous
Silurian
Ordovician
Cambrian

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Q. 18 of Quiz- (Que-ID : 2861)

Plants with ovaries having only one or a few ovules are generally pollinated by

bees
Butterflies
birds
Wind

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Q. 14 of Quiz- (Que-ID : 3940)

With reference to enzymes, which one of the following statements is true?

Apoenzyme = Holoenzyme + Coenzyme
Coenzyme = Apoenzyme + Holoenzyme
Holoenzyme = Apoenzyme + Coenzyme
Holoenzyme = Coenzyme ? Apoenzyme

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Q. 8 of Quiz- (Que-ID : 3451)

The interaction where one species is benefitted and the other is neither benefitted nor harmed is called

Commensalism
Amensalism
Mutualism
None of the above

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Q. 16 of Quiz- (Que-ID : 2709)

How many bones form lumbar vertebrae

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Q. 1 of Quiz- (Que-ID : 3019)

Mechanism of development was explained by

Hans Dietrisch
Spemann
Both a and b
Haemmerling

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Q. 22 of Quiz- (Que-ID : 3340)

Which one of the following diseases cannot be cured by taking antibiotics ?

Plague
Amoebiasis
Leprosy
Whooping cough

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Q. 21 of Quiz- (Que-ID : 3439)

A technology which has found immense use in solving cases of disputed percentage is:

Polymerase chain reaction
DNA finger printing
None of these
Both (a) and (b)

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Q. 21 of Quiz- (Que-ID : 2689)

What does P wave indicate

Depolarisation of atria
repolarisation
Depolarisation of ventricle
None of the above

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Q. 23 of Quiz- (Que-ID : 3116)

The enzyme involved in biological nitrogen fixation are

Carboxylase
Oxygenase
Dehydrogenase
Nitrogenase

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Q. 19 of Quiz- (Que-ID : 3437)

Golden rice is a transgenic crop of the future with the following improved trail:

Insect resistance
Hight lysine (essential amino acid) content
High protein content
High vitamin A content

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Q. 14 of Quiz- (Que-ID : 3432)

From which one of the following plants, the insecticide pyrethrum is prepared.

Cymohopogen
Tephrosia
Crysanthemum
Vitivera

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Q. 17 of Quiz- (Que-ID : 2630)

The small finger like foldings in small intestine is called

Rugae
Villi
Botha a and b
None of the above

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Q. 12 of Quiz- (Que-ID : 2705)

Which of these contain ATP and ATPase binding site

Actin
Myosin
Both a and b
None of the above

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