Dermal and denticle scales of fishes are called:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

The following observations refer to evolution:

I. Inherited variations which are ‘favoured’ in particular environments are passed on.

II. There is a struggle for existence.

III. In time, ‘favoured’ inherited variations may accumulate causing gradual changes in the organism.

IV. Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation.

In what sequence should the statements be placed to support Darwin’s theory of evolution?

NTS 2014
Biology
Evolution
Elimination Tool:

The main cause of creation of tension between water molecules is ______ which helps to make water chains pulled up xylem sap.

NUMS 2019 Reconduct
Biology
Transport
Elimination Tool:

The name animal is derived from the word.

If lipopolysaccharides did not appear in the wall of bacteria on staining then it will be known as ________.

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

Which one of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?

PMC 2020
Biology
Reproduction
Elimination Tool:

Which type of leucoplasts store lipids?

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

Which of the following is not true for retroviruses?

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

In a bacterial cell, plasma membrane with all things present within it is called:

PMC Sample 3
Biology
Kingdom Prokaryote
Elimination Tool:

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NUMS Mock 4
Biology
Chromosomes and DNA

5 different amino acids, numbered 1, 2, 3, 4, and 5, below from the following sequence in the path of a polypeptide chain:

1-2-3-4-2-5-3

Messenger RNA codon, which correspond to the amino acids, are:
amino acid 1 UGU

amino acid 2 GAU

amino acid 3 CAC

amino acid 4 UAG

amino acid 5 AAG

Which one of the following DNA bases sequences could provide the code for the given section of the polypeptide?

NTS 2015 DUHS and JSMU
Biology
Biological Molecules
Elimination Tool:

Midgut in cockroach is a short narrow tube called

Digestion of which food components starts from the oral cavity?

NUMS 2020
Biology
Nutrition
Elimination Tool:

Weather refers to

Red-green color-blindness is an X-linked recessive disorder. Jacob’s paternal grandfather and father are both color-blind, but his mother has two normal alleles. What is the probability that Jacob is red-green color-blind?

NUMS Mock 2
Biology
Variation and Genetics

Trypanosoma belongs to class:

NTS 2011
Biology
Kingdom Protista
Elimination Tool:

Locus is defined as:

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

During inspiration, the space inside the chest cavity is increased due to:

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

Which of the following is not a component of extracellular matrix in bacteria?

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

Golgi complex is responsible for the formation of secretory granules in _____ cell.

NUMS Mock 4
Biology
Cell Structure and Function

In plants chlorosis is caused by the deficiency of:

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

The only promoter of leaf senescence in the following plant hormones is:

If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

When were bacteriophages discovered by Twort?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

Passive immunity is used against:

UHS 2015
Biology
Biotechnology
Elimination Tool:

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

Below the point at which the cotyledons are attached, the embryo axis is called _______.

NTS 2016 SMBBMC
Biology
Kingdom Plantae
Elimination Tool:

Guard cells function as:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

Which of the following nutrients is incorrectly paired with its function in a plant?

NUMS Mock 3
Biology
Nutrition

Thyroid gland requires high amount of:

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

Transport of glucose across the cell membrane occurs by:

NUMS Mock 1
Biology
Cell Structure and Function

Which factor decides what type of variation should be flourished and passed on to the next generations?

NTS 2019
Biology
Evolution
Elimination Tool:

Which type of movement through the cell membrane is not an energy-consuming process?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

Transfer of genetic material from one cell to another that can alter the genetic makeup of recipient cell is called

Fungi which get their food directly from dead organic matter are called?

Lymph vessels transfer the lymph into blood through_________.

NUMS Mock 3
Biology
Transport

Optimum pH for action of pepsin and salivary amylase is

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

During gel electrophoresis, the gel used is:

NUMS 2020
Biology
Biotechnology
Elimination Tool:

Joints found at the vertebrates are:

NTS 2014
Biology
Support and Movement
Elimination Tool:

_________ respiration is directly involved in the production of energy, necessary for all living activities.

Histones have abundance of amino acids

Overgrazing results in:

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

Genetic engineering has been successfully used for producing;

UHS 2019
Biology
Biotechnology
Elimination Tool:

Ecological role of fungi as decomposers is only paralleled by

Antheridiophore and archegoniophore are found in

The Porifera are pore – bearing animals, commonly called:

NUMS Mock 3
Biology
Kingdom Animalia

One of the most important cause of desertification is

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Elimination Tool:

A pure breeding tall pea plant was crossed to dwarf plant what will be the frequency of dwarf plants in F1

Despite the structural diversities, ____ are characterized by having a soft body protected by a calcareous shell developing from the mantle layer.

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Enzymes _________ the activation energy of a chemical reaction

Gymnosperms are referred to as “naked seeded plants”, because

NUMS 2016
Biology
Kingdom Plantae
Elimination Tool:

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by

What is the effect of enzyme DNA ligase?

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

The oxygen-binding protein present in skeletal muscles is:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

The only vein in human carrying oxygenated blood is:

PMC 2020
Biology
Transport
Elimination Tool:

In cats, the genes controlling coat-color are co-dominant (incompletely dominant) and are carried on the X chromosomes. When a black female was mated with a ginger male the resulting litter consisted of black male and tortoise-shell female kittens. What phenotypic ratio would be expected in the F2 generation?

NTS 2012
Biology
Variation and Genetics
Elimination Tool:

The number of muscles in a human body is about:

NTS 2012
Biology
Support and Movement
Elimination Tool:

As an excretory organ, liver:

PMC 2020
Biology
Homeostasis
Elimination Tool:

Neurotransmitters trigger action potential in the postsynaptic neuron by changing the permeability of certain _________.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

What is not true about the induced fit model:

NUMS 2018
Biology
Enzymes
Elimination Tool:

B

_______ is the stage of mitosis characterized by the physical separation of ________ chromatids.

NTS 2019
Biology
Cell Cycle
Elimination Tool:

Synaptonemal complex helps in:

NUMS 2014
Biology
Cell Cycle
Elimination Tool:

Bac

Gibberellins may be substituted for _____ light, therefore promote flowering in long day plants.

Meristems are of

A plant disease which is not caused by a fungus is:

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

Which of the following diseases is sexually transmitted?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

______ occurs because natural selection gives some alleles a better chance of survival than others:

PMC 2020
Biology
Evolution
Elimination Tool:

Two animals are mated. One is homozygous dominant for one character and homozygous recessive for another. The other animal Is heterozygous for both characters. How many phenotypes are expected in the offspring of this cross?

NTS 2016 DUHS & JSMU
Biology
Variation and Genetics
Elimination Tool:

Genetically modified plants contain:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Which animals support Darwin’s view of inheritance of desirable variations?

NTS 2019
Biology
Evolution
Elimination Tool:

Evolutionary relationships amongst species are reflected in their:

NUMS 2016
Biology
Evolution
Elimination Tool:

Bryophtes are called amphiabians of plant world because

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

Transgenic organisms:

PMC 2020
Biology
Biotechnology
Elimination Tool:

_______ organelles are involved in the synthesis of the plant cell wall.

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

The system involved in preparing our body in condition of stress and emergency:

NUMS Mock 2
Biology
Coordination and Control

he molecule used by most of the animals for long-term energy storage is:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

Xerophytes have small thick leaves to;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

Coniferous forests located at high altitude are called

The end product of Glycolysis is:

NTS 2011
Biology
Bioenergetics
Elimination Tool:

The bond formed when two or more atoms complete their electron shells by sharing electrons is called:

What is the correct order of arthropod groups, from those with most legs to those with fewest legs?

NTS 2014
Biology
Kingdom Animalia
Elimination Tool:

The long chains of HIV-proteins are cut down by proteases enzyme of ______.

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

Autoimmune diseases act as the principle of:

PMC 2020
Biology
Transport
Elimination Tool:

The structure of an enzyme is altered by:

______ is the reconstruction of the lost part of the body.

NTS 2012
Biology
Growth and Development
Elimination Tool:

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

Growth process is

Bipinnaria is the larval form of:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool: