Which of the following enzymes is used to join DNA fragments?

NUMS Mock 4
Biology
Chromosomes and DNA

The following observations refer to evolution:

Inherited variations which are favored in a particular environment are passed on
There is a struggle for existence
Across time, inherited variations may accumulate causing gradual changes in the organism
Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation
In what sequence should the statement be placed to support the Darwin theory of evolution?

NTS 2015 DUHS and JSMU
Biology
Evolution
Elimination Tool:

Which of the following features differentiate angiosperms from gymnosperms?

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

Proteoglycan in cartilages (which consists of polysaccharides) are also attached to:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

Grassland of Argentina is:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

If a person has 44 autosomes + XXY, he will suffer from

UHS 2012
Biology
Cell Cycle
Elimination Tool:

Five kingdom classification was proposed by :

Condensation of chromosomes reaches to the maximum during:

NUMS 2015
Biology
Cell Cycle
Elimination Tool:

The total number of genes present in a particular population, at a particular time is called:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

The cell wall of Archaebacteria does not contain which of the following?

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

Golden algae are also known as

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NTS 2014
Biology
Coordination and Control
Elimination Tool:

Who coined the term Animalcules for microorganisms like Bacteria and protozoa?

Neurons are cells adapted for the rapid transmission of electrical impulses. To do this, they have long thin processes called:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

All the animals of the grade radiata are

A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding

Glucose → 2 pyruvic acid + 2H2O

2ADP + 2Pi → 2 ATP

2NAD + 4H → 2NADH + 2H+

These three reactions collectively constitute ______.

NTS 2012
Biology
Bioenergetics
Elimination Tool:

Whone is not the function of endoplasmic reticulum?

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

Which organism has wings with claws?

NUMS 2015
Biology
Kingdom Animalia
Elimination Tool:

Which of the following is NOT a viral disease?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Pseudocoelom is actually derived from:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

Which statement about dominant and recessive alleles is not correct?

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

The light dependent reaction of photosynthesis occurs in:

NUMS Mock 2
Biology
Bioenergetics

What is the size of Parvovirus?

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

Major regional ecological community of plants and animals forms

The respiratory pigment, which has much higher affinity to combine with oxygen is:

NUMS 2016
Biology
Gaseous Exchange
Elimination Tool:

Coccobacillus has a shape similar to

In case of neurons, post mitotic cell escapes cell cycle and remain in _______ phase whthout proliferating further

A cross between F1 hybrids and either of parents is called:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

Identify the only cells in leaf epidermis, which are NOT connected to other cells by plasmodesmata and are involved in photosynthesis.

NUMS 2019 Reconduct
Biology
Transport
Elimination Tool:

All of the following are coelomates except

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

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

Lateral meristems are present in

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

Which one are most complex sugar:

The water content of mammalian blood is regulated by antidiuretic hormone(ADH). In which part of the nephron does regulation occur ?

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

The animals that feed on organic debris from decomposing plants and animals are called:

NUMS Mock 1
Biology
Man and His Environment

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

An Rh negative woman is married to an Rh positive man whose father was also Rh negative. What are the chances that their child will be affected?

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NUMS Mock 4
Biology
Coordination and Control
D) IV, III, I and II

Vaccines for all of these have been developed EXCEPT:

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on

Which of the following factors affect enzyme activity?

NTS 2011
Biology
Enzymes
Elimination Tool:

A weed engineered to produce a biodegradable plastic in cell granules is

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

In animals coordination is achieved by means of

An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:

Rate of DNA replication by DNA polymerase is

Cyanides are potent poisons of the living organism and can kill by inhibiting _____, essential for cellular respiration:

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:

NUMS Mock 1
Biology
Biological Molecules

In most birds air sacs are _____ in number

Which of the following, which is the incorrectly paired one?

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

Mutations can occur in:

NUMS 2016
Biology
Chromosomes and DNA
Elimination Tool:

In plants, ______ hormone promotes closing of stomata in drought conditions.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Minerals salts enter a plant largely through its:

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

The actual or preserved remains of the organisms that lived in the ancient past are called:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

Which chemical component has the same % in bacterial as well as the mammalian cell?

Amniocentesis is performed between the:

NTS 2011
Biology
Reproduction
Elimination Tool:

In recombinant DNA technology, the copies of recombinant DNA are increased by:

NTS 2018
Biology
Biotechnology
Elimination Tool:

Which of the following fishes excrete large volume of diluted urine?

Booklungs serve the function of respiration in:

NTS 2014
Biology
Gaseous Exchange
Elimination Tool:

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

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

Gaseous exchange in plants takes place through the:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

Movement of the Hip joint is which type of synovial joints?

NUMS Mock 1
Biology
Support and Movement

Of the following which one is not the characteristic of triploblasts.

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

PMC 2020
Biology
Evolution
Elimination Tool:

Due to the similarity of structure, competitive inhibitors may be selected by the _______ site.

NUMS 2019 Reconduct
Biology
Enzymes
Elimination Tool:

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

Which of the following is NOT the part of RNA?

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

These viruses usually occur in two structural forms:

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

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

Mark the one Kingdom having the most conspicuous living organisms?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

The Latin words of the name given to a human being, Homo Sapiens, include the:

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NUMS Mock 1
Biology
Cell Cycle

A trait whose alleles are present in both males and females but prominent more in one sex than other is a:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

The size of Spirochete is

As an excretory organ, liver:

NUMS Mock 3
Biology
Homeostasis

Sertoli cells

The ultimate source of all changes is:

NUMS 2015
Biology
Evolution
Elimination Tool:

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

In which of the following location enzymes controlling cellular respiration are present?

•  A. LH
•  B. Estrogen
•  C. Gonadotrophin hormones
•  D. Testosterone

The biochemical analysis of a sample of DNA shows that 32% of the nitrogenous bases are cytosine. What is the total % of adenine and uracil in RNA transcribed from this DNA?

NTS 2015 SMBBMC
Biology
Chromosomes and DNA
Elimination Tool:

Asexual spores of fungi are called:

NUMS 2020
Biology
Kingdom Fungi
Elimination Tool:

Mating with non-relatives is known as?

PMC Sample 2
Biology
Evolution
Elimination Tool:

Exoskeleton of cockroach is made up of:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

Who first separated bacteria from other protists as a group?

_________ is the exact position of a gene on the chromosome.

NUMS Mock 3
Biology
Chromosomes and DNA

Among the following, which cellular organelle contains circular DNA, similar to those found in bacteria?

NUMS Mock 1
Biology
Cell Structure and Function

In humans gill pouches have modified into

Cells elongate by

Major coordinating centre for sensory and motor signaling is:

NUMS Mock 3
Biology
Coordination and Control