Official NEET UG 2011 (C1)

Select the correct statement with respect to
diseases and immunisation

(1) Certain protozoans have been used to mass produce hepatitis B vaccine
(2) Injection of snake antivenom against snake bite is an example of active immunisation
(3) If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen
(4) Injection of dead / inactivated pathogens causes passive immunity

Which one of the following is not considered as a
part of the endomembrane system?

Vacuole
Lysosome
Golgi complex
Peroxisome

Common cold is not cured by antibiotics because it
is

Caused by a Gram-negative bacterium
Not an infectious disease
Caused by a virus
Caused by a Gram-positive bacterium

Selaginella and Salvinia are considered to represent
a significant step toward evolution of seed habit
because

Megaspores possess endosperm and embryo surrounded by seed coat
Embryo develops in female gametophyte which is retained on parent sporophyte
Female gametophyte is free and gets dispersed like seeds
Female gametophyte lacks archegonia

In Kranz anatomy, the bundle sheath cells have

Thin walls, no intercellular spaces and several chloroplasts
Thick walls, many intercellular spaces and few chloroplasts
Thin walls, many intercellular spaces and no chloroplasts
Thick walls, no intercellular spaces and large number of chloroplasts

Which one of the following options gives the
correct matching of a disease with its causative
organism and mode of infection

Desease : Elephantiasis Causative Organisms : Wuchereria bancrofti Mode of Ifection : With infected water and food
Desease : Malaria Causative Organisms : Plasmodium vivax Mode of Ifection : Bite of male Anopheles mosquito
Desease :Typhoid Causative Organisms :Salmonella typhi Mode of Ifection :With inspired air
Desease :Pneumonia Causative Organisms :Streptococcus Pneumoniae Mode of Ifection :Droplet infection

5. Which one of the following animals may occupy
more than one trophic levels in the same ecosystem
at the same time?

(1) Goat
(2) Frog
(3) Sparrow
(4) Lion

Sweet potato is homologous to

Ginger
Turnip
Potato
Colocasia

Frogs differ from humans in possessing

Nucleated red blood cells
Thyroid as well as parathyroid
Paired cerebral hemispheres
Hepatic portal system

Which one of the following is essential for
photolysis of water?

Copper
Boron
Manganese
Zinc

Ureters act as urinogenital ducts in

Frog’s both males and females
Frog’s males
Human males
Human females

Test cross in plants or in Drosophila involves crossing

The F1 hybrid with a double recessive genotype
Between two genotypes with dominant trait
Between two genotypes with recessive trait
Between two F1 hybrids

What happens during fertilisation in humans after
many sperms reach close to the ovum?

Cells of corona radiata trap all the sperms except one
Only two sperms nearest the ovum penetrate zona pellucida
Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
All sperms except the one nearest to the ovum lose their tails

Which one of the following is a possibility for most
of us in regard to breathing, by making a
conscious effort ?

One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
The lungs can be made fully empty by forcefully breathing out all air from them
One can breathe out air totally without oxygen
One can breathe out air through eustachian tubes by closing both the nose and the mouth

The logistic population growth is expressed by the
equation

\(\frac{dN}{dt}\)= rN
\(\frac{dN}{dt}= rN [\frac{{K}-{N}}{N}]\)
\(\frac{dt}{dN}= Nr [\frac{{K}-{N}}{K}]\)
\(\frac{dN}{dt}= rN [\frac{{K}-{N}}{K}]\)

Bulk of carbon dioxide (CO2) released from body
tissues into the blood is present as

70% carbamino-haemoglobin and 30% as bicarbonate
Carbamino-haemoglobin in RBCs
Bicarbonate in blood plasma and RBCs
Free CO2 in blood plasma

Read the following four statements (A-D) about certain mistakes in two of them
(A) The first tranrgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules
(C) Downstream processing is one of the steps of R-DNA technology
(D) Disarmed pathogen vectors are also used in transfer of R-DNA into the host
Which are the two statements having mistakes?

Statements (A) and (C)
Statements (A) and (B)
Statements (B) and (C)
Statements (C) and (D)

About which day in a normal human menstrual
cycle does rapid secretion of LH (Popularly called
LH-surge) normally occurs

5th day
11th day
14th day
20th day

In mitochondria, protons accumulate in the

Intermembrane space
Matrix
Outer membrane
Inner membrane

The pathogen Microsporum responsible for
ringworm disease in humans belongs to the same
Kingdom of organisms as that of

Rhizopus, a mould
Ascaris, a round worm
Taenia, a tapeworm
Wuchereria, a filarial worm

In history of bilogy, human genome project led to
the development of?

Bioinformatics
Biosystematics
Biotechnology
Biomonitoring

The unequivocal proof of DNA as the genetic
material came from the studies on a

Viroid
Bacterial virus
Bacterium
Fungus

Which one of the following techniques made it
possible to genetically engineer living organisms?

Heavier isotope labelling
Hybridization
Recombinant DNA techniques
X-ray diffraction

Which one of the following correctly represents the
normal adult human dental formula?

\(\frac{2}{2},\frac{1}{1},\frac{2}{2},\frac{3}{3}\)
\(\frac{3}{3},\frac{1}{1},\frac{3}{3},\frac{3}{3}\)
\(\frac{3}{3},\frac{1}{1},\frac{3}{2},\frac{1}{1}\)
\(\frac{2}{2},\frac{1}{1},\frac{3}{2},\frac{3}{3}\)

Whorled simple leaves with reticulate venation are
present in

China Rose
Alstonia
Calotropis
Neem

“Good ozone” is found in the

Stratosphere
Ionosphere
Mesorphere
Troposphere

The type of muscles present in our

Thigh are striated and voluntary
Upper arm are smooth muscle fibres fusiform in shape
Heart are involuntary and unstriated smooth muscles
Intestine are striated and involuntary

What is common between vegetative reproduction
and Apomixis?

Both occur round the year
Both produces progeny identical to the parent
Both are applicable to only dicot plants
Both bypass the flowering phase

Guttation is the result of

Osmosis
Root pressure
Diffusion
Transpiration

Which one of the following is not an essential mineral element for plants while the remaining three are?

Cadmium
Phosphorus
Iron
Manganese

Which one of the following conditions of the zygotic
cell would lead to the birth of a normal human
female child?

Only one X chromosome
One X and one Y chromosome
Two X chromosome
Only one Y chromosome

Biodiversity of a geographical region represents

Genetic diversity present in the dominant species of the region
Species endemic to the region
Endangered species found in the region
The diversity in the organisms living in the region

Consider the following four statements whether they are correct or wrong?
(A) The sporophyte in liverworts is more elaborate than that in mosses
(B) Salvinia is heterosporous
(C) The life-cycle in all seed bearing plants is diplontic
(D) In Pinus male and female cones are borne on different treesConsider the following four statements whether they are correct or wrong?
The two wrong statements together are

Statements (B) and (C)
Statements (A) and (B)
Statements (A) and (C)
Statements (A) and (D)

The 24 hour (diurnal) rhythm of our body such as
the sleep-wake cycle is regulated by the hormone.

Adrenaline
Melatonin
Calcitonin
Prolactin

At metaphase, chromosomes are attached to the
spindle fibres by their

Kinetochores
Centromere
Satellites
Secondary constrictions

Consider the following four statements (A-D) related to the common from Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F).Statements:(A) One dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days.(B) It has four chambered heart.(C) On dry land it turns uricotelic from ureotelic.(D) Its life history is carried out in pond water.
Options

(A) F (B) F (C) T (D) T
(A) F (B) T (C) T (D) F
(A) T (B) F (C) F (D) T (C) (D)
(A) T (B) T (C) F (D) F

Which one of the following pairs is wrongly
matched while the remaining three are correct?

Bryophyllum – Leaf buds
Agave – Bulbils
Penicillium – Conidia
Water hyacinth – Runner

Which one of the following is a wrong matching of
a microbe and its industrial product, while the
remaining three are correct?

Clostridium butylicum – lactic acid
Aspergillus niger – citric acid
Yeast – statins
Acetobacter aceti – acetic acid

In angiosperms, functional megaspore develops into

Endosperm
Pollen sac
Embryo sac
Ovule

Read the following statement having two blanks
(A and B)
“A drug used for (A) patients is obtained
from a species of the organism (B) .”
The one correct option for the two blanks is

Blank-A Swine flu Blank-B Monascus
Blank-A AIDS Blank-B Pseudomonas
Blank-A Hearz Blank-B Penicillium
Blank-A Organ-transplant Blank-B Trichoderma

Silencing of mRNA has been used in producing
tranrgenic plants resistant to

White rusts
Bacterial blights
Bollworms
Bollworms

Which one of the following aspects is an exclusive characteristic of living things?

Perception of events happening in the environment and their memory
Increase in mass by accumulation of material both on surface as well as internally
Isolated metabolic reactions occur in vitro
Increase in mass from inside only

The cells lining the blood vessels belong to the category of

Columnar epithelium
Connective tissue
Smooth muscle tissue
Squamous epithelium

15. Read the following statement having two blanks
(A and B)
“A drug used for (A) patients is obtained
from a species of the organism (B) .”
The one correct option for the two blanks is

Blank-A Swine flu Blank-B Monascus
Blank-A AIDS Blank-B Pseudomonas
Blank-A Heart Blank-B Penicillium
Blank-A Organ-transplant Blank-B Trichoderma

Which one of the following statements is totally
wrong about the occurrence of notochord while the
other three are correct

It is absent throughtout life in humans from the very beginning
It is present througout life in Amphioxus
It is present only in larval tail in Ascidians
It is replaced by a vertebral column in adult frog

Some vascular bundles are described as open because these

Possess conjunctive tissue between xylem and phloem
Are not surrounded by pericycle
Are surrounded by pericycle but no endodermis
Are capable of producing secondary xylem and phloem

Consider the following statements (A-D) about organic farming
A. Utilizes genetically modified crops like Bt cotton
B. Uses only naturally produced inputs like compost
C. Does not use pesticides and urea
D. Produces vegetables rich in vitamins and minerals
Which of the above statements are correct?

(1) (B) and (C) only
(A) and (B) only
(3) (B), (C) and (D)
(4) (C) and (D) only

Function of companion cells is

Loading of sucrose into sieve elements by passive transport
Loading of sucrose into sieve elements
Providing energy to sieve elements for active transport
Providing water to phloem

The technique called gamete intrafallopian transfer
(GIFT) is recommended for those females

Whore cervical canal is too narrow to allow passage for the sperms
Who cannot provide suitable environment for fertilisation
Who cannot produce an ovum
Who cannot retain the foetus inside uterus

Official NEET UG 2011 (C1)

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Official NEET UG 2011 (C1)

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