PAK Army, PAK Air Force and PAK Navy Initial Test | Acdamic Biology Solved MCQs

 

Blood of human is an example of what?

A.    Inorganic compound

B.     Organic Compound

C.     None of these

D.    Tissues

Where does the bone (Tibia) is located the human body?

A.    Chest

B.     Leg

C.     Arm

D.    Skull

Select the name of the group of similar cells that perform the same function.

A.    Organ

B.     Organ system

C.     Tissues

D.    None of these

Select the largest gland in the human body.

A.    Thyroid

B.     None of these

C.     Pancreas

D.    Liver

Many types of tissue combine to make up _____?

A.    Organs

B.     None of these

C.     Organ system

D.    Cells

Select the name of the following that is an example of “molecule”.

A.    hydrogen

B.     A nerve cell

C.     None of these

D.    DNA

 

What is the maximum density of water?

A.    0°C

B.     6°C

C.     8°C

D.    4°C

From where the word “BIOLOGY” has been derived?

A.    French

B.     Latin

C.     English

D.    Greek

What is the functional unit of DNA?

A.    Chromosomes

B.     Nucleus

C.     Genes

D.    None of these

Non-enveloped naked viruses are known as ______?

A.    virions

B.     prions

C.     oncoviruses

D.    bacteriophages

Select the hearing range of human ears.

A.    20 Hz to 20,000 Hz.

B.     20 Hz to 30,000 Hz.

C.     20 Hz to 40,000 Hz.

D.    10 Hz to 20,000 Hz.

What is the name of scientific study of living things?

A.    Zoology

B.     Geology

C.     Anatomy

D.    Biology

Select the following structure involved in replication of bacterial DNA.

A.    pilli

B.     chromosomes

C.     plasmid

D.    mesosome

Select the following that divides first during the process of the cell division.

A.    mitochondria

B.     vacuoles

C.     nucleus

D.    cytodplasm

Artherosclerosis is a main condition leading to _________?

A.    tumor

B.     hypertension

C.     stroke

D.    heart attack

Cell organelles are found in which phase of cell cycle?

A.    G1 Phase

B.     S Phase

C.     G0 Phase

D.    G2 Phase

Breaking of glucose relates to _______?

A.    respiration

B.     pyruvic acid

C.     photorespiration

D.    glycolysis

Select the hormone that helps in Parthenocarpy.

A.    Gibberellin

B.     Abscisic acid

C.     Cytokinin

D.    Ethylene

Select the following that is an autotroph.

A.    Mushroom

B.     Fish

C.     Butterfly

D.    Algae

who discovered Sickle cell anemia?

A.    Sanger

B.     Vernon Ingram

C.     None of these

D.    Miescher

Complex tissues and simple tissues are two groups of ______ tissues.

A.    Epidermal

B.     Supporting

C.     Permanent

D.    Meristematic

In which type of place do Earthworms live ?

A.    fresh water

B.     None of these

C.     sea water

D.    moist soil

Select the following gas discovered by Scheele.

A.    carbon dioxide

B.     hydrogen

C.     oxygen

D.    chlorine

Due to presence of _________, diatoms color is golden brown.

A.    myxoxanthophylls, Mycoxanthin and mucoxanthin

B.     None of these

C.     myxoxanthin and Alpha and beta carotenes

D.    diadinoxanthin, Fucoxanthin, diatoxanthin

Select the following organ responsible for blood filtration.

A.    Heart

B.     Kidney

C.     Lungs

D.    Liver

Select the set of useful insects from the below list.

A.    honeybee, Sandfly , butterfly

B.     tsetse fly, Honeybee, silkworm

C.     Honeybee , lac insect, cochineal insect

D.    locust, Silkworm, honeybee

Select the following vegetable that has 90% of water.

A.    Lady finger

B.     None of these

C.     Cabbage

D.    Cassava

Snails belong to what ?

A.    arthropods

B.     gastropods

C.     bivalves

D.    platyhelminthes

The terms eucariotique and procariotique were proposed by _______?

A.    Margulis and Schwartz

B.     Haeckel

C.     Whittaker

D.    Chatton

Release of the ovum from ovary is known as ___________?

A.    ovulation

B.     None of these

C.     implantation

D.    fertilization

Plants which produce embryo but lack vascular tissues and seed are placed in __________?

A.    bryophytes

B.     pteridophytes

C.     None of these

D.    tracheophytes

Influenza is caused due to ______ in human beings.

A.    virus

B.     None of these

C.     fungi

D.    bacteria

Select the following proteins that have role in heredity.

A.    Nucleo-proteins

B.     Chromo-proteins

C.     None of these

D.    Lipo-proteins

Select the condition in which there is an absence of supply of oxygen to an organ’s tissues.

A.    Anoxia

B.     Hypoxia

C.     Anorexia

D.    Enuresis

What do the faggot cells cause in the human body?

A.    Leukaemia

B.     Smallpox

C.     AIDS

D.    None of these

Select the following that secrete hydrochloric acid in the stomach.

A.    Mucosa

B.     Mucosa & Oxyntic

C.     None of these

D.    Oxyntic

Coelom is divided into septa in case of what?

A.    Annelids

B.     Molluscs

C.     Cniderians

D.    Sponges

Except sex chromosomes all the others are known as ________?

A.    Autosomes

B.     Telocentric chromosomes

C.     Metacentric Chromosomes

D.    Acentric chromosomes

What are the Insects called that transfer diseases?

A.    Drones & Hybirds

B.     Drones

C.     Vectors

D.    Hybirds

___________ causes Mild tertian malaria.

A.    Plasmodium falciparum

B.     Plasmodium vivax

C.     Plasmodium ovale

D.    Plasmodium falciparum

About 20 millions Erythrocytes are made by the human body within __________?

A.    One Second

B.     Two Second

C.     Three Second

D.    Four Second

BOD is ________?

A.    Binding of Dirt

B.     Bidding of Dermatology

C.     Biochemical occupied Date

D.    Biochemical Oxygen demand

Oxygen is the creation of ________?

A.    Mitochondria & Chloroplast

B.     Chloroplast

C.     Peroxisomes

D.    Mitochondria

Select the special type of protein containing iron.

A.    Hemoglobin

B.     Hormones

C.     White blood cell

D.    Red blood cell

What is the accurate name given to blood?

A.    Fluid tissue

B.     Red fluid

C.     Hemoglobin

D.    Plasma

Select the dense layer of Connective tissue that covers the Outer Surface of Bones.

A.    Woven bone

B.     Epithelium lining

C.     Periosteum

D.    Connective lining

Select the following that is not a function of hypothalamus.

A.    Regulation of sleep and emotions

B.     Regulation of blood osmotic pressure

C.     Regulation of body temperature

D.    Regulation of anti-diuretic hormones

Ultra microscopic viruses are the major reason of _________?

A.    Mumps

B.     Cholera

C.     Measles

D.    Malaria

Select the first ever vascular plants from the options given below.

A.    Adiantum

B.     Dryopteris

C.     Cooksonia

D.    Selaginella

Select the following vitamin that is also known as “anti-Sterile” factor.

A.    Ascorbic acid

B.     a-tocopherols

C.     Riboflavin

D.    Retinol

What are the Genetic Information Carries?

A.    Chromosomes

B.     Nucleus

C.     DNA

D.    Gene

After __________, the “lub” sound is produced.

A.    The tricuspid and bicuspid valves suddenly close

B.     The ventricles are fully contracted

C.     None of these

D.    The ventricles start to relax

How Enzyme activity can also be charted?

A.    None of these

B.     Number of active sites

C.     Rate of reaction

D.    Rate of digestion

Select the normal range of number of WBC in microliter of blood.

A.    4,500 and 10,000

B.     3,500 and 10,000

C.     4,500 and 5,000

D.    4,500 and 7,000

Select the appearance of Guard cells of stoma.

A.    Irregular in shape

B.     Kidney-shaped

C.     Long and cylindrical in shape

D.    Convex in shape

Calyx and Corolla collectively termed as _____?

A.    Complete flower

B.     Sexual whorls

C.     Prienth

D.    Hermaphrodite

What is virus?

A.    None of these

B.     acellular

C.     multicellular

D.    unicellular

Select the tube that joins kidney and bladder.

A.    Inferno Verna Cava

B.     Uretar

C.     Urethra

D.    Suprapubic Tube

________is contained by the dorsal roots of spinal nerves?

A.    Effectors neurons

B.     None of these

C.     Receptor neurons

D.    Stimulators

Select the percentage of water existing in our brain?

A.    63%

B.     73%

C.     94%

D.    71%

Why is the human blood known as a viscous liquid?

A.    due to Platelets in plasma

B.     due to WBC and RBC in blood

C.     due to Proteins in blood

D.    due to Sodium in serum

Select any example of Epigeal germination.

A.    Maize

B.     Corn

C.     Broad bean seed

D.    Sword bean seed

Cardio respiratory capacity belongs to ___________?

A.    Normal physical endurance

B.     Strength

C.     Flexibility

D.    None of these

Select the expected number of RBCs in a single drop or microliter of blood of man.

A.    4.5 to 5.2 million

B.     3.5 to 6.2 million

C.     4.5 to 6.2 million

D.    4.5 to 8.5 million

Parkinson is known as the disease of _________?

A.    Bones

B.     Lungs

C.     Brain

D.    Eyes

Select the name of Joints between flat bones of skull.

A.    Syndesmosis

B.     Sutural joints

C.     Suture

D.    Sutural joints & Suture

Select the expected number of RBCs in a single drop, or microliter of blood of woman.

A.    4.0 to 7.4 million

B.     4.0 to 5.2 million

C.     4.8 to 5.2 million

D.    3.3 to 5.2 million

Select the other name of liver.

A.    Hepat

B.     Hepart

C.     Hepum

D.    Hepar

Due to the presence of ________, blood doesn’t coagulate in body.

A.    Plasma

B.     Fibrin

C.     Hemoglobin

D.    Heparin

Select the length of membranous urethra.

A.    7 cm

B.     6 cm

C.     2 cm

D.    1 cm

Acetabularia is of which kind?

A.    Multicellular alga

B.     None of these

C.     Fungi

D.    Unicellular alga

Select the following vitamin that is useful in ostcoimalacia.

A.    Vitamin E

B.     Vitamin D

C.     Vitamin C

D.    Vitamin A

Select the number of carpal in our feet.

A.    0

B.     1

C.     7

D.    5

Sessile flowers do not have _________.

A.    petals

B.     scent

C.     pedicles

D.    Irregular shape

What is the division of nucleus known as ?

A.    Karyokinesis

B.     Cytokinesis

C.     Anaphase

D.    Meiosis

Select the circular disc shaped structure with a round hole.

A.    Pupil

B.     Iris

C.     Ciliary body

D.    Horoid coat

In _______, the self polkution is not possible.

A.    Flowers

B.     Pawpaw

C.     Dioecious plants

D.    Dioecious plants & Pawpaw

Select the membrane that divides “nucleus” and “cytoplasm”.

A.    Cell membrane

B.     Cell wall

C.     Nuclear envelop

D.    Boundary

Due to _________, more water is reabsorbed in water.

A.    More anti-diuretic hormone

B.     Inactivity of pituitary gland

C.     Lesser anti-diuretic hormone

D.    Active functioning of pancreas

Select the name of the disease caused by the deficiency of protein in children.

A.    Pellagra

B.     Marasmus

C.     None of these

D.    Rickets

What does the deficiency of Vitamin C cause?

A.    Beri-Beri

B.     Scurvy

C.     Night-blindness

D.    Architis

Select the name of branch, that contain study of interaction of living organisms with the other living organisms and their environment.

A.    Botany

B.     Ecology

C.     Social biology

D.    Pharmacology

In the liver of ______, liver fluke is parasite.

A.    cattle

B.     sheep

C.     goat

D.    All of these

In _____ cells, the oil body is found.

A.    Chlorophycean forms

B.     None of these

C.     Diatoms

D.    Slime moulds

The usage of the products of digestion is called ________?

A.    ingestion

B.     assimilation

C.     absorption

D.    ingestion & absorption

Select the Centric discoid form of diatoms.

A.    Diplaneis

B.     Camphyloneiscus

C.     Coscinodiscus

D.    Stephanodis

Cell wall abundantly impregnated with silica in _____?

A.    Rhodophyta

B.     Phaeophyta

C.     Bacillariophyta

D.    Euglenophyta

Diatoms stay afloat due to what?

A.    Stored lipids

B.     Flagella

C.     All of these

D.    Pseudopodia

________ is the rich source of energy in seimen.

A.    lactose

B.     sacrose

C.     fructose

D.    glucose

Select the following that are connective tissues.

A.    blood

B.     bone

C.     cartilage

D.    All of these

Light microscope makes the object ________ bigger.

A.    400 times

B.     100 times

C.     1200 times

D.    1000 times

Which bone is known as beauty bone in women.

A.    sternum

B.     clavicle

C.     radius

D.    maxilla

Phloem and Xylem are conducting tissue found in _____________?

A.    animals

B.     plants

C.     micro organisms

D.    All of these

Bean shaped cells in plants are ______?

A.    phloem cells

B.     guard cells

C.     mesophyll cells

D.    xylem cells

The most common respiratory problem in smokers is ___________?

A.    emphysema

B.     tuberculosis

C.     cancer

D.    asthma

Gram positive bacteria on treatment with the crystal violet dye give which colour?

A.    green

B.     purple

C.     pink

D.    red

With the help of _________, locomotion in diatoms is carried out.

A.    Valve

B.     Raphe

C.     flagella or Cilia

D.    Pseudopodium

Select the type of motion present in solid.

A.    translational

B.     vibrational

C.     All of these

D.    rotational

Higher vascular plants are also known as _________?

A.    seed plants

B.     None of these

C.     ferns

D.    flowering plants

Select the following that is an insect.

A.    Scorpion

B.     Moth

C.     Spider

D.    Mite

Cell wall is the non-living outer boundary of _______ cell.

A.    bacterial

B.     All of these

C.     plant

D.    fungal

Select the following consists of dead cells.

A.    sclerenchyma

B.     None of these

C.     collenchyma

D.    Parenchyma

Branches of medicine and biology concerned with the function and structure of animal and plant cells is called _________?

A.    Semiology

B.     Nephrology

C.     Cytology

D.    Orology

What is the water potential of the pure water?

A.    0

B.     1

C.     2

D.    3

Select the vegetable that contains Sulphur.

A.    Potato

B.     Brinjal

C.     Cabbage

D.    Pumpkin

______ protects the foetus from the mechanical damage.

A.    vagina

B.     uterus

C.     amniotic fluid

D.    uterus

In every coelentrates endoderm give rise to ________?

A.    digestive system

B.     nervous system

C.     circulatory system

D.    reproductive system

__________ animals live in the tree trunks.

A.    Aquaticx

B.     Arboreal

C.     Volant

D.    Amphibious

Select the following that is not made of cell

A.    Bacteria

B.     Algae

C.     Fungi

D.    Viruses

Microvilli and Villi increase _________?

A.    ingestion

B.     digestion

C.     absorption

D.    assimilation

 

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