Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

Which one of the following group of animals is homeothermic?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

The oxidation of PGAL during glycolysis yields ____ molecules.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

The space between the overtopped dichotomous branches was occupied by a sheet of which cells during evolution of megaphylls?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

In many bacteria, the cell wall is enclosed within a slime capsule made up of:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

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?

NTS 2015 DUHS and JSMU
Biology
Enzymes
Elimination Tool:

The lymph vessels empty in:

NUMS 2015
Biology
Transport
Elimination Tool:

Pinacocytes forms ______.

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

Cloning is a form of:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

Bacteria that live in intestine and produce vitamin K belong to?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

The chromosomes with equal arms are called:

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

Functional units of lungs are called

Ovulation is induced by ______ hormone secreted by the pituitary gland.

NUMS 2019 Reconduct
Biology
Reproduction
Elimination Tool:

Amoeba belongs to which kingdom:

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

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

NTS 2019
Biology
Cell Cycle
Elimination Tool:

The egg-laying birds are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

A cofactor made of inorganic ion which is detachable is called

Lymph vessels transfer the lymph into blood through_________.

NUMS Mock 3
Biology
Transport

The maximum mammalian characters are present in ____

NUMS 2015
Biology
Kingdom Animalia
Elimination Tool:

DNA fingerprinting is basically done for:

NUMS Mock 1
Biology
Biotechnology

Bacteria having a tuft of flagella at one end are called:

NTS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

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

NUMS Mock 4
Biology
Reproduction

Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only ____ % of the energy present in a glucose molecule.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

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

NUMS Mock 3
Biology
Chromosomes and DNA

Which of the protozoa has a striking resemblance to collar cells in sponges?

The enzyme in breast milk that causes the coagulation of milk or forms precipitates of milk is:

NUMS 2016
Biology
Enzymes
Elimination Tool:

Each β – chain of hemoglobin molecules contains ____ amino acids.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

Nitrogen-fixing bacteria in root nodules fix nitrogen in soil air into:

NUMS 2015
Biology
Nutrition
Elimination Tool:

Pili are mainly found on certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NTS 2014
Biology
Evolution
Elimination Tool:

Following group is the example of acoelomates:

NUMS Mock 1
Biology
Kingdom Animalia

The element in basic structure of proteins which differentiate them from carbohydrates is?

NUMS Mock 1
Biology
Biological Molecules

The process of swallowing is controlled by:

NUMS 2016
Biology
Nutrition
Elimination Tool:

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

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called

The term “Loss of appetite” refers to disease:

NUMS Mock 3
Biology
Nutrition

Chlorosis, i.e., yellowish hue on the leaves results from

Natural selection can amplify or diminish variations that are?

PMC Sample 2
Biology
Evolution
Elimination Tool:

Gaseous exchange through the skin is known as ______ respiration.

Most of the fossils are found in which of the following?

PMC Sample 1
Biology
Evolution
Elimination Tool:

Type of sensations carried by nociceptors are:

In air nitrogen is

Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:

A disease caused by gradual breakdown of the thin walls of alveoli is;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

When a frog is kept in water for some time it sheds a thin covering of skin called ____

NUMS 2014
Biology
Homeostasis
Elimination Tool:

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

Modification in the organization of the basic pentadactyl limb structure found in vertebrates provides good evidence for the principle of:

NUMS 2020
Biology
Evolution
Elimination Tool:

The region of the chromosome or, more specifically, the length of the DNA molecule, which has a particular function is called _______.

NUMS Mock 2
Biology
Chromosomes and DNA

If concentration time graph of a reactant indicates a constant half life, then the order reaction with respect to that reactant is:

NUMS Mock 4
Chemistry
Reaction Kinetics

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

NUMS Mock 2
Biology
Gaseous Exchange

A continuously varying trait is encoded by alleles of two or more different genes located at different loci, all influencing the same trait in an additive way is known as ________.

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

Ribose sugar that is the main part of RNA is a type of _____ sugar.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

Identify the incorrect statement about Charles Darwin’s theory:

NUMS Mock 1
Biology
Evoloution

What type of virus is the smallpox virus?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

The chemical nature of an antibody is:

NUMS 2016
Biology
Transport
Elimination Tool:

Enzymes work by lowering the ______ of the reactions they catalyse:

PMC 2020
Biology
Enzymes
Elimination Tool:

In the human body, blood circulating from the gut to the heart passes through the:

NTS 2013
Biology
Transport
Elimination Tool:

First stable compound during Calvin cycle is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

The only group of algae having no flagellated motile cells at any stage is :

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

Tissue is a

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

Non-protein but inorganic, detachable co-factors are called ______:

NUMS 2020
Biology
Enzymes
Elimination Tool:

Whenever a virus encounters an unfamiliar organism, the virus may undergo multiple mutations and emerge as a variant that produces:

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

Aschelminthes is also known as

Fundography is relevant to:

NUMS 2016
Biology
Nutrition
Elimination Tool:

Chance of a cross over between two loci is directly proportional to their

UHS 2018
Biology
Cell Cycle
Elimination Tool:

Vocal cords, which help in voice production are two thin edged fibrous bands, present in:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

Trypanosoma is a human parasite causing

UHS 2010
Biology
Kingdom Protista
Elimination Tool:

Gametes in animals are produced by which of the following?

PMC Practice 2
Biology
Cell Cycle
Elimination Tool:

Which one is not a nitrogen waste?

NUMS 2018
Biology
Homeostasis
Elimination Tool:

Urine formation is the result of:

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

Y chromosome in humans:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

Negative feedback mechanism is the characteristic of which class?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

The thickest chamber of the human heart is:

NUMS Mock 4
Biology
Transport

Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility

Lipids store double the amount of energy as compared to carbohydrates because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called

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

Antheridia and archegonia are _____ organs in bryophytes.

NUMS Mock 1
Biology
Kingdom Plantae

Biological sciences have a set methodology and it is based on

Nicotine in tobacco:

NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:

How many ml of blood is pumped by each contraction of the heart?

NUMS 2016
Biology
Transport
Elimination Tool:

In genetics, the term locus refers to the ______ of the gene on the chromosome.

NUMS Mock 4
Biology
Chromosomes and DNA

The function of a cell wall in prokaryotes is:

PMC Practice 1
Biology
Kingdom Prokaryote
Elimination Tool:

Which one of the following animals possesses an open circulatory system:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool: