In the pea plants, the factors round and yellow seeds (RRYY) is dominant over wrinkled and green seeds (rryy). Keeping this in mind, identify the seed that has the genotype round and green.

NTS 2011
Biology
Variation and Genetics
Elimination Tool:

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

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

Myofibrils, within the muscle fibers, contain thick and thin filaments made up of _____ and ______ respectively:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

Which condition can be explained by Lamarckism?

PMC Sample 1
Biology
Evolution
Elimination Tool:

The best function of coelom is described as ____.

NUMS Mock 1
Biology
Kingdom Animalia

Two species can avoid competition and better use the environment’s resources by occupying different ____.

NUMS Mock 4
Biology
Evolution

In DNA A.

Opposable thumbs are characteristic features of

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

Which of the following sub stages does not occur in prophase I?

NTS 2015 SMBBMC
Biology
Cell Cycle
Elimination Tool:

When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the lower leg to swing forward. When this happens:

NTS 2013
Biology
Support and Movement
Elimination Tool:

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

Cyanobacteria help in nitrogen fixation because they have:

PMC 2021 Tested
Biology
Kingdom Prokaryote
Elimination Tool:

Which organ(s) in the male reproductive system produce gametes?

NUMS Mock 4
Biology
Reproduction

In a hot summer after noon, if your body’s Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of

Vaccine Was discovered by :

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

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:

Chief material present in the cell wall of plants, fungal, and prokaryotic cells is:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

HIV is also known as:

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

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

PMC 2020
Biology
Enzymes
Elimination Tool:

Rod-shaped bacteria are known as _______

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

Which of the following statements correctly describes homologous chromosomes?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

Which of the following statement about the head of a chlorophyll molecule is incorrect:

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

A Dutch scientist firstly observed very small creatures in

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

The process that has transformed life on earth from its earliest forms to vast diversity is?

PMC Sample 3
Biology
Evolution
Elimination Tool:

Eukaryotic, multicellular and consumers belong to ______ kingdom.

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

The part of sporophyte which is called sporangium is

In bacterial categories the bacteria smaller in number are

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

PMC 2020
Biology
Evolution
Elimination Tool:

The nucleoid is found only in certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

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:

Which organ is called the body thermostat?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

The enzyme found in saliva responsible for the digestion of carbohydrates is:

NTS 2018
Biology
Enzymes
Elimination Tool:

In paper chromatography xanthophyll will give ______ color:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

Microtubules are composed of

A person got an infection, he became ill but then he survived. What do you think which of immunity he would have developed?

NUMS Mock 1
Biology
Transport

Tetracycline and penicillins are:

NUMS 2018
Biology
Kingdom Fungi
Elimination Tool:

A bacterium with tuft of flagella at both poles is called

Bile is used in:

NUMS 2016
Biology
Nutrition
Elimination Tool:

Urine formation is the result of:

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

The first simplest oxygen producing organism:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

Functional units of lungs are called

First infectious disease against which effective method of prevention developed was a _______:

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

The position of an organism in a food chain of an ecosystem called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

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

The Porifera are pore – bearing animals, commonly called:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

The function of respiratory passage, Cilia is to keep the airways clear of:

NUMS Mock 4
Biology
Gaseous Exchange

Viruses are ______ smaller than bacteria

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

NUMS 2020
Biology
Enzymes
Elimination Tool:

Vascular Cambium initially appears as actively dividing cells between:

Which of the following is an unsaturated fatty acid?

PMC 2020
Biology
Biological Molecules
Elimination Tool:

The wings of birds and the forelegs of a horse are _____ structures.

NUMS 2016
Biology
Evolution
Elimination Tool:

In a marine environment, the ion secreted by the kidney is:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

Which vertebrae together are called pelvic vertebrae?

NUMS 2020
Biology
Support and Movement
Elimination Tool:

The fate of each blastomere is foretold. The cleavage will be as

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:

Highly condensed portions of the chromatin are called:

NTS 2011
Biology
Chromosomes and DNA
Elimination Tool:

HIV is a:

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

Which is a feature of malignant tumor?

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

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

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

Fungi which cause thrush in humans:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called

Hemoglobin carries more oxygen than plasma by:

NUMS Mock 1
Biology
Gaseous Exchange

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called

The process of cartilage formation is known as:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

Leaves of ……….. are used to cure cough and cold in horses.

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

Which hormone is chemically a steroid?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

The basic structural framework of all types of membranes are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

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

NUMS 2015
Biology
Nutrition
Elimination Tool:

Part of the amino acid sequences In normal and sickle cell hemoglobin are shown.

Normal haemoglobin

Thr – pro – glu – glu

Sickle cell haemoglobin

thr – pro – val – glu

mRNA codons for these amino acids are

Glutamine (glu) GAA GAG

Threonine (thr) ACU ACC

Proline (pro) CCU CCC

Valine (val) GUA GUG

Which transfer RNA molecule is Involved in the formation of this part of the sickle cell haemoglobin?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

In enzymatic mechanism, the substrate bind to the enzyme active site to produce?

PMC Practice 3
Biology
Enzymes
Elimination Tool:

______ are more common in human males than females.

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

Type of lichen which tightly attaches to rocks is

The cells are held together by a Ca-pectate layer are called as:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

Period between two consecutive divisions is called

Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation

The phytohormones controlling the plant movements are?

NTS 2015 SMBBMC
Biology
Coordination and Control
Elimination Tool:

Who discovered DNA?

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

Plasmodium belongs to

In which type of cells, cell wall is not present?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

Which of the following condition is hybrid A. TT B. Tt C. tt D. All of these

Quantitative study of energy relationships in biological systems obeys.

Over-secretion of cortical hormone causes a disease called;

UHS 2015
Biology
Growth and Development
Elimination Tool: