MCAT-Aptitude MCQ Questions - MCAT / SAMPLE PAPER Sample Test,Sample questions

Question:
Annual rainfall in deserts is less than

1.150-200 mm

2.500-700 mm

3.250-500 mm

4.700-800mm


Question:
Annual rainfall in grass land is

1.1500-2500 mm

2.750-1500 mm

3.250-750 mm

4.250-500 mm


Question:
Annual rainfall in grassland is about

1.More than 2500 mm

2.750-1500 mm

3.250-750 mm

4.Less than 250 mm


Question:
Coniferous forests located at high altitude are called

1.Taiga

2.Alpine

3.Boreal

4.Arctic


Question:
Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due to

1.Rhizobium

2.Nitrosomonas

3.Nitrobacter

4.Pseudomonas


Question:
Desert ecosystem of Mianwali is

1.Thar

2.Thal

3.Cholistan

4.None of these


Question:
Development of bark in plants and skin in animals is a method for

1.Providing support

2.Protection from enemies

3.Reducing water loss

4.Helping in food production


Question:
Ecosystem not found in Pakistan is

1.Tropical rain forest

2.Temperate deciduous forest

3.Grassland

4.Tundra


Question:
Ecosystem of Shogran is

1.Coniferous alpine

2.Boreal

3.Temperate deciduous

4.Grassland


Question:
Embryonic induction is caused by part developing from

1.Endoderm

2.Ectoderm

3.Mesoderm

4.Extraembryonic layers


Question:
Eutrophication is

1.Process of decreasing nutrients by human activities

2.Adequate nutrition accelerated by human activities

3.Changing the trophic levels of an ecosystem by human activities

4.Addition of more predators in an ecosystem


Question:
Evolution of vascular bundles in plants and skeleton in animals is an adaptation for

1.Hdrospheric ecosystem

2.Aquatic ecosystem

3.Terrestrial ecosystem

4.All of these


Question:
Far-red light promotes flowering in

1.Short day plant

2.Long day plant

3.Day neutral plant

4.None of these


Question:
Grass land in tropic climates with woody trees is called

1.Prairies

2.Savanna

3.Boreal

4.Alpines


Question:
Highest form of learning is

1.Latent learning

2.Insight learning

3.Operant conditioning

4.Instinct


Question:
In human female, fertilization commonly occurs at

1.Proximal part of oviduct

2.Distal part of oviduct

3.Uterus

4.Cervix


Question:
In polluted lake which organisms dominate the community

1.Fish

2.Crustaceans

3.Phytoplanktons

4.Blue green algae


Question:
In sub-humid tropical grassland productivity is more than

1.700-1500g/m2

2.4000g/m2

3.5000g/m2

4.6050g/m2


Question:
In which zone plant community is most diverse

1.Limnetic zone

2.Littoral zone

3.Profundal zone

4.All of these


Question:
Joints present in skull are example of

1.Fibrous joints

2.Cartilaginous joints

3.Synovial Joints

4.Slightly moveable joints


Question:
Mountains of Koh Hindukush come under

1.Tundra

2.Grass land

3.Tropical forests

4.Temperate deciduous


Question:
Number of cervical vertebrae is

1.5

2.7

3.9

4.12


Question:
Okazaki fragments are connected together through action of

1.Primase

2.Polymerase

3.Helicase

4.Ligase


Question:
One of the most important cause of desertification is

1.Floods

2.Wind blowing

3.Raining

4.Deforestation


Question:
Only myosine is present in

1.A band

2.1 band

3.H zone

4.Sarcomere


Question:
Ozone depletion occurs commonly due to

1.Carbon dioxide

2.Chlorofluorocarbons

3.UV rays

4.Deforestation


Question:
Productivity of an ecosystem is indicated by

1.Number of plants in that ecosystem

2.The density of that ecosystem

3.Consumption of carbon dioxide and evolve of oxygen

4.Both a and b


Question:
Purines and pyrimidines are in equal ration in DNA. It was indicated by

1.F.Miescher

2.Chargaff

3.Watson & Crick

4.Harshay & Chase


Question:
Sapwood is formed from

1.Primary xylem

2.Secondary xylem

3.Primary phloem

4.Secondary phloem


Question:
Secretin inhibits production of

1.Gastric juice

2.Pancreatic juice

3.Bile

4.All of these


Question:
Sickle cell anemia is an example of

1.Chromosomal aberration

2.Insertion of gene

3.Deletion of gene

4.Point mutation


Question:
Temperature of temperate deciduous forests is

1.4-30 degree C

2.45-50 degree C

3.20-25 degree C

4.5-10 degree C


Question:
Test cross is used to find

1.Trait

2.Phenotype

3.Genotype

4.Ratios


Question:
The most fragile of all biomes is

1.Grassland

2.Coniferous alpine

3.Desert

4.Tundra


Question:
The productivity of aquatic ecosystem is basically determined by light and

1.CO2

2.O2

3.Water

4.Nutrients


Question:
Treeless tundra of high latitude between taiga and polar ice caps is called

1.Northern tundra

2.Antarctic tundra

3.Arctic tundra

4.Polar tundra


Question:
Weather refers to

1.Short-term fluctuations in temperature, cloud cover, wind and precipitation

2.It prevails over periods of hrs or days

3.Overall patterns of weather that prevail from year to year

4.Both a and b


Question:
Which of the following hormone is polypeptide in nature

1.Insulin

2.Thyroxine

3.ADH

4.Cortisone


Question:
Which of the following is most constant abiotic component of ecosystem

1.Air

2.Water

3.Land

4.Gravity


Question:
Which statement about hydrospheric ecosystem is incorrect?

1.Salt water ocean and sea are the largest ecosystems on earth

2.Salt water ecosystem covers about 75% earth surface

3.Fresh water ecosystem covers less than 1% of earth surface

4.It temperature is more moderate to support life


Question:
Which statement about profundal zone is correct?

1.Plants are unable to anchor but enough light penetrates to support photosynthesis

2.Phytoplanktons in this region are cyanobacteria

3.Decomposers and detritus feeders inhabit it

4.Water lilies are abundant


Question:
Which statement is incorrect?

1.Average rainfall in temperate deciduous forests is 750-1500mm

2.Temperature of coniferous alpine and boreal forests is upto 10 degrees

3.Northern coniferous forests are called Taiga

4.Coniferous forests located at high latitude are alpine


Question:
XO-XX pattern of sex determination is present in

1.Grasshopper

2.Butterfly

3.Drosophila

4.Man


Question:
Yellow cytoplasm in ascidian gives rise to

1.Epidermis

2.Muscle cells

3.Gut

4.Notochord


Question:
Yellowish glandular structure which produces progesterone is

1.Graffian follicle

2.Ovary

3.Corpus luteum

4.Placenta


Question:
Zone of lake water which is of open water near the surface is

1.Littoral

2.Limnetic

3.Profundal

4.Benthic


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