NTS/NTS BIOLOGY CURRENT AFFAIRS SET 2 Sample Test,Sample questions

Question:
Air sacs in most of the birds are

1.6

2.11

3.9

4.12


Question:
Air spaces in leaf comprises total volume of

1.40%

2.45%

3.50%

4.55%


Question:
All are paired facial bones except

1.maxilla

2.nasal

3.lacrimal

4.mandible


Question:
All are the deformities of skeleton caused by nutritional deficiencies except

1.osteomalacia

2.rickets

3.microcephaly

4.none of them


Question:
Bony fishes have brain with how many pair of cranial nerves?

1.10

2.11

3.14

4.12


Question:
Cohesion tension theory is given by

1.Morgan

2.Dixon

3.Robert

4.Sacks


Question:
Colour blindness is

1.x-linked recessive trait

2.y-linked recessive

3.y-linked dominant

4.x-linked dominant


Question:
DNA structure was first described by

1.Pasteur

2.Robert Koch

3.Watson and Crick

4.Carlous Linnaues


Question:
Female reproductive cycle is completed in

1.27 days

2.28 days

3.26 days

4.29 days


Question:
First complete seed appears in

1.cenozoic era

2.jurassic era

3.devonian era

4.carboniferous era


Question:
Genetic information is transmitted from DNA to

1.the sites of protein synthesis

2.proteins

3.amino acids

4.digestive enzymes


Question:
Haemodialysis means cleaning of

1.urine

2.blood

3.glomerular filterate

4.coelomic fluid


Question:
Highly intelligent mammals are

1.rat

2.bat

3.dolphin

4.elephant


Question:
In bud condition the upper surface of leaf shows more growth than lower surface in

1.epinasty

2.hyponasty

3.nutation

4.circumnutation


Question:
In class crustacea of phylum arthropoda sexes are

1.separate

2.hermaphrodite

3.separate and hermaphrodite both

4.none of them


Question:
Kelps belong to which phylum?

1.rhodophyta

2.chlorophyta

3.phaeophyta

4.pyrrophyta


Question:
Major cause of chlorosis in plants is shortage of

1.magnesium

2.sulphur

3.nitrogen

4.iron


Question:
Most cell membranes are composed principally of

1.DNA ad protein

2.protein and lipids

3.protein and chitin

4.protein and RNA


Question:
Most cells lacking a cell wall also lack

1.mitochandria

2.chloroplasts

3.a vacuole

4.a Golgi complex


Question:
Movement of cell against concentration gradient is called

1.active transport

2.osmosis

3.diffusion

4.both b and c


Question:
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the

1.concentration of water molecules inside and outside the cell

2.concentration of enzymes on either side of the cell membrane

3.rate of molecular motion on either side of the cell membrane

4.none of these


Question:
One of the following is not a function of bones

1.support

2.production of blood cells

3.protein synthesis

4.muscle attachment


Question:
Plants absorb most part of water needed by them through their

1.stem

2.root hairs

3.leaf

4.bark


Question:
Pollination is best defined as

1.germination of pollen grains

2.transfer of pollen from anther to stigma

3.formation of pollen grains

4.none of these


Question:
Production of sweat and sebum is related with

1.skin

2.liver

3.lungs

4.GIT


Question:
Proteins are made from amino acids by the process of

1.hydrolysis

2.pinocytosis

3.dehydration synthesis

4.active transport


Question:
Red Blood Cells are produced by the

1.kidneys

2.Lungs

3.Bone Marrow

4.Lymph


Question:
Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

1.diffusion

2.passive transport

3.osmosis

4.active transport


Question:
Super blue green algae or expensive pond scum contain __________ protein.

1.55%

2.75%

3.45%

4.60%


Question:
The anti-diuretic hormone acts on which part of nephron to cause re-absorption of water?

1.proximal convoluted tubule

2.loop of henle

3.collecting duct

4.distal convoluted tubule


Question:
The duration of G-2 phase is

1.10 hrs

2.30 min

3.9 hrs

4.4.5 hrs


Question:
The evaporative cooling in the respiratory tract of dogs is called

1.vasodilation

2.vasoconstriction

3.panting

4.all of these


Question:
The Hardy-Weinberg principle applies to

1.locomotion

2.population genetics

3.blood transportation

4.the cell theory


Question:
The initiation codon is

1.AGU

2.UAA

3.UAG

4.AUG


Question:
The lifespan of platelets is _________ days.

1.5

2.6

3.100

4.120


Question:
The most abundant element in the Earths atmosphere is

1.Oxygen

2.Nitrogen

3.Hydrogen

4.Carbondioxide


Question:
The most common rust fungi species are

1.ustilago

2.puccinia

3.aspergillus

4.penicillium


Question:
The number of thoracic vertebrae

1.7

2.12

3.9

4.5


Question:
The part of brain which is responsible for long term memory and learning is

1.hippocampus

2.medulla

3.amygdala

4.hypothalamus


Question:
The pH concentrations at which maltase is least effective are

1.1 and 7

2.1 and 14

3.7.5 and 14

4.10 and 14


Question:
The salt and water balance of the body fluid is maintain by the

1.Kidneys

2.Urinary bladder

3.Lymph

4.Chloroplasts


Question:
The small intestine consists of

1.duodenum, jejunum and ileum

2.duodenum, caecum and ileum

3.duodenum, jejunum and rectum

4.caecum, colon and rectum


Question:
When a single gene has multiple phenotypic effects the phenomena is called

1.pleiotropy

2.codominance

3.over dominance

4.epistasis


Question:
Whic from the following is the correct classification?

1.Kingdom ? Order ? Class ? Family

2.Kingdom ? Phylum ? Class ? Order

3.Kingdom ? Class ? Species ? Family

4.Kingdom ? Class ? Phylum ? Family


Question:
Which are the four most abundant elements in living cells?

1.carbon, oxygen, nitrogen, sulfur

2.carbon, oxygen, hydrogen, nitrogen

3.carbon, oxygen, sulfur, phosphorus

4.carbon, sulfur, hydrogen, magnesium


Question:
Which from the following is NOT the function of Enzymes?

1.speed up chemical reaction

2.digest food substances

3.involved in cellular respiration

4.maintain healthy epithelial tissues


Question:
Which is an organic compound found in most cells?

1.water

2.glucose

3.oxygen

4.sodium chloride


Question:
Which of the following is not an endotherm

1.bird

2.mammals

3.amphibian

4.insects


Question:
Which of the following is not sex-linked recessive

1.colour blindness

2.haemophilia

3.tfm syndrome

4.hypophosphatemic ricket


Question:
Which of the following pathogen type cause disease that can be treated with antibiotics?

1.bacteria

2.fungi

3.virus

4.none of these


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  28. NTS CURRENT AFFAIRS EDUCATION MCQ SET 2
  29. NTS CURRENT AFFAIRS EDUCATION MCQ SET 3
  30. NTS CURRENT AFFAIRS ACCOUNTING SET 2
  31. NTS CURRENT AFFAIRS ECONOMIC MCQ SET 1
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