______ is a process by which the proglottids are cut off from the tapeworm.

(a)

Apolysis

(b)

pedal laceration

(c)

budding

(d)

plasmotomy

Find the wrongly matched pair.

(a)

Bleeding phase- fall in oestrogen and progesterone

(b)

Follicular phase-rise in oestrogen

(c)

Luteal phase - rise in FSH level

(d)

Ovulatory phase - LH surge

Expulsion of baby from the mother's womb is called _____

(a)

implementation

(b)

parturition

(c)

insemination

(d)

gestation

Which of the following statement is not correct?
(i) Interstitial cells are seen surrounding the seminiferous tubule.
(ii) Nurse cells secrete inhibin.
(iii) Males have single prostate gland which encircles the urethra.
(iv) Insemination, Fertilization, Implantation, Placentation, and Parturition.

(a)

i and ii

(b)

iii only

(c)

iii and iv

(d)

iv only

In embryo development of human beings, how long does it takes for a zygote to convert into morula?

(a)

24hrs

(b)

36hrs

(c)

48hrs

(d)

72 hrs

______ is needed for normal functioning of reproductive structures

(a)

Vitamin A

(b)

Vitamin E

(c)

Vitamin B

(d)

Vitamin C

_____ is a sexually transmitted disease caused by a fungus

(a)

Chlamydiasis

(b)

Candidiasis

(c)

Genital herps

(d)

Syphilis

Klinefelters syndrome is characterized by a karyotype of ____.

(a)

XYY

(b)

XO

(c)

XXX

(d)

XXY

The lygaeus type (XX - XY) type of sex determination is seen in ______

(a)

Fishes

(b)

Chickens

(c)

Human beings

(d)

Gypsy moth

Meselson and Stahl’s experiment proved

(a)

Transduction

(b)

Transformation

(c)

DNA is the genetic material

(d)

Semi-conservative nature of DNA replication

_____________ is called age of Invertebrates

(a)

Cambrian

(b)

Devonian

(c)

Pennsylvanian

(d)

Mississippian

In this type of fossilization, the molecules of the dead body is replaced for molecules by minerals and the original substance being lost through disintegration.

(a)

Actual remains

(b)

petrifaction

(c)

natural moulds

(d)

cast formation

Cirrhosis of liver is caused by chronic intake of ______

(a)

Opium

(b)

Alcohol

(c)

Tobacco

(d)

Cocaine

_________Can be confirmed by widal test.

(a)

Tuberculisis

(b)

Cholera

(c)

Typhoid

(d)

Hepatitis

Identify the wrong statement.

(a)

Vaccine provide passive acquired immunity

(b)

It is made from attenuated or killed microbes

(c)

Vaccines teach our body how to defend from microbes

(d)

MMR is a fist generation vaccine

CO₂ is not released during

(a)

Alcoholic fermentation

(b)

Lactate fermentation

(c)

Aerobic respiration in animals

(d)

Aerobic respiration in plants

Select the correct statement from the following.

(a)

Biogas is produced by the activity of aerobic bacteria on animal waste.

(b)

Methanobacterium is an aerobic bacterium found in rumen of cattle.

(c)

Biogas, commonly called gober gas is pure methane.

(d)

Activated sludge-sediment in settlement tank of sewage treatment plant is a right source of aerobic bacteria.

Which of the following plant species is the most suitable oilseed for biodirect production?

(a)

Ground nut

(b)

Areca nut

(c)

Jatropha curcas

(d)

Phyllanthus anarus

In genetic engineering, a DNS segment (gene) of interest is transferred to the host cell through a vector. Consider the following four agents (A to D) in this regard and select correct option about which one or more of these can be used as vector/vectors.
A) A bacterium
B) Plasmid
C) Plasmodium
D) Bacteriophage

(a)

(A), (B) and (D) only

(b)

(A) only

(c)

(A) and (C) only

(d)

(B) and (D) only

Competition between species leads to

(a)

Extinction

(b)

Mutation

(c)

Amensalism

(d)

Symbiosis

Which of the following is a behavioural adaptation?

(a)

Thick fur

(b)

camouflage

(c)

Sharp canines

(d)

Migration

Assertion (A): Movement of organism from one place to another and back is called migration.
Reason (R): Eel is an example for anadromous migration.

(a)

Both A and R are correct R explain A

(b)

A is correct R is incorrect

(c)

R does not explain A

(d)

Both A and R are incorrect

The organization which published the red list of species is

(a)

WWF

(b)

IUCN

(c)

ZSI

(d)

UNEP

Arrange the layers of anther wall from locus to periphery

(a)

Epidermis,middle layers, tapetum, endothecium

(b)

Tapetum, middle layers, epidermis, endothecium

(c)

Endothecium, epidermis, middle layers, tapetum

(d)

Tapetum, middle layers endothecium epidermis

Genes G S L H are located on same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is _____.

(a)

GHSL

(b)

SHGL

(c)

SGHL

(d)

HSLG