Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

The type of energy, reduced by the enzymes, for biological reactions to occur is called the:

UHS 2019
Biology
Enzymes
Elimination Tool:

Which of the following is the function of adrenaline?

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

Autoimmune diseases act as the principle of:

PMC 2020
Biology
Transport
Elimination Tool:

When a fetus is in the uterus, what carries oxygen away from the placenta?

NTS 2013
Biology
Growth and Development
Elimination Tool:

Choose the term from the following which is NOT a part of gene therapy?

NUMS Mock 2
Biology
Biotechnology

Milk drinking babies have an additional enzyme called:

NUMS 2016
Biology
Nutrition
Elimination Tool:

The secondary and tertiary consumers are also known as:

NUMS Mock 1
Biology
Ecosystem

Who developed a theory of natural selection essentially identical to Darwin’s?

PMC Sample 2
Biology
Evolution
Elimination Tool:

In which organism males are haploid?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A hormone called _______ controls the secretion of gastric juice.

NUMS 2018
Biology
Nutrition
Elimination Tool:

Q.27 During which of the following levels of biological organization can natural selection occur?

In polluted lake which organisms dominate the community

Phenotype for both TT and Tt is tall, so the allele T is known as:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Digestion of which food components starts from the oral cavity?

NUMS 2020
Biology
Nutrition
Elimination Tool:

The melting point of unsaturated fatty acids:

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

The passageways of the respiratory system have mucous secreting cells called:

NUMS Mock 3
Biology
Gaseous Exchange

Which valve action results from an increase in pressure in the ventricles of the heart?

NUMS Mock 3
Biology
Transport

Which component enters into mitochondria after glycolysis?

NUMS Mock 1
Biology
Bioenergetics

During breathing air from Pharynx enters to:

UHS 2018
Biology
Gaseous Exchange
Elimination Tool:

Deficiency of enzyme ______ causes combined immunodeficiency syndrome.

UHS 2018
Biology
Biotechnology
Elimination Tool:

Vaccine Was discovered by :

The Porifera are pore – bearing animals, commonly called:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

The oxygen-binding protein present in skeletal muscles is:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

Who coined the term CELL?

Which one of the following is most likely to occur in a boy during puberty?

NUMS Mock 4
Biology
Reproduction

The most abundant organic compounds in a mammalian cell are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

On land, frogs are:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

Interphase of meiosis lacks

Smooth endoplasmic reticulum is responsible for the metabolism of:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

Virus is a _____ entity among living and non-living.

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

The photosynthetic pigments of plants are arranged as clusters in thylakoid membranes. The reaction centers of these clusters consist of _____ molecules.

NUMS Mock 3
Biology
Bioenergetics

The stored food in fungi is usually lipid droplets of:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

Which of the following statement about eiliates in incorrect?

Who first separated bacteria from other protists as a group?

Urine leaves the kidney through a duct called:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NUMS Mock 2
Biology
Kingdom Prokaryote

In nature, Garden pea is

From each pair of centrioles ________ sets of microtubules originate

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:

Which of the following photosystems is involved in cyclic photophosphorylation?

NUMS Mock 2
Biology
Bioenergetics

Five steps of the lytic cycle of a T4 stage are given below:

The T4 phage uses its tails to stick to specific receptor
The cell’s metabolic machinery, directed by phage DNA, produces phage proteins and nucleotides from the cells degraded DNA are used to make copies of the phage genome.
The phage then directs production of an enzyme that digests the cell.
The empty capsid of the phage is left as a ghost outside the cell
The sheath of the tail contracts, thrusting a hollow core through the wall and membrane of the cell.
Which of the following is the correct sequence of the cycle?

NTS 2015 SMBBMC
Biology
Bio-diversity | Variety of Life
Elimination Tool:

Which of the following is monohybrid cross

Which step causes activation of catalytic site of an enzyme?

The gland known as the “gland of emergency” is the:

NTS 2014
Biology
Coordination and Control
Elimination Tool:

Amylase is not produced by the following type(s) of salivary gland:

NUMS Mock 1
Biology
Nutrition

Species of phylum Platyhelminthes are:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

Allium cepa is the scientific name of :

Which excretory product in produced in plants during autotrophic mode of life?

Which of the following occurs in the body in response to the secretion of Glucagon?

NUMS Mock 2
Biology
Homeostasis

By PCR we mean:

UHS 2018
Biology
Biotechnology
Elimination Tool:

Platyhelminthes means:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

The uterus of the female reproductive system opens into the _____.

NUMS Mock 4
Biology
Reproduction

In mosquitoes, the plasmodium is found in?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

Which of the following is not a parasitic fungus of plants?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

In which of the following pigments major energy reserves and cell wall are like plants?

In plants growth is of

Study of a single population’s relationship to its environment is called

Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

In the male reproductive tract, sperm cells follow a specific path. Which of the following do sperm cells enter after traveling through the epididymis?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

Which of the following category is most general with its members lest resembling with each other than the other categries:

Both radial and bilateral symmetry is found in the phylum

All of the following are the characteristics of the kingdom Protista except:

NTS 2019
Biology
Kingdom Protista
Elimination Tool:

Of the following which one is not included in Proterostomes?

The following statements are about enzymes:

1. They are globular proteins

2. They can be inhibited by competitive inhibitors

3. They are formed in the smooth endoplasmic reticulum

4. There are only found attached to Plasma membranes in the cell

Which statements are correct for all enzymes?

NUMS Mock 3
Biology
Enzymes

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS Mock 4
Chemistry
Aldehydes and Ketones

The genotype of a normal male in humans is ______ chromosomes.

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

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

The active uptake of sodium in the ascending limb or thick loop of Henle is promoted by the action of:

PMC 2020
Biology
Homeostasis
Elimination Tool:

As an excretory organ, liver:

NUMS Mock 3
Biology
Homeostasis

Lamarck is best known for his theory of:

NUMS Mock 3
Biology
Evolution

Identify the incorrect statement from the following:

NTS 2010
Biology
Transport
Elimination Tool:

Which of the following transport mechanism induces conformational change in protein?

How does chemosynthesis differ from photosynthesis?

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

Fungi which cause thrush in humans:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

The complete, mature and infection virus particle is known as:

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

Reduction division is:

NUMS 2015
Biology
Cell Cycle
Elimination Tool:

The genome of the virus includes the:

PMC Sample 1
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:

Cyanobacteria resemble photosynthetic eukaryotes because they have:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

The cells that play a vital role in the differentiation of various body parts are called:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

The helical structure of a protein is kept by the formation of hydrogen bond between amino acid molecules which are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

Who discovered DNA?

Function of intercalary meristems is

Which processes are essential in making nitrogen from dead plant material available to growing plants?

ammonification
deamination
nitrification
nitrogen fixation
NUMS Mock 2
Biology
Man and His Enviornment

Which of the following blood transfusions can be made safely?

NUMS Mock 2
Biology
Variation and Genetics

According to the fluid mosaic model of cell membrane, which zone is embedded inside?

PMC 2020
Biology
Biological Molecules
Elimination Tool: