Liposomes have/are:

PMC 2021 Tested
Biology
Biotechnology
Elimination Tool:

The concentration of Na ions in the body fluids is controlled by the ____ hormone.

NTS 2012
Biology
Homeostasis
Elimination Tool:

The bacteria can cope in unfavorable condition by producing:

NUMS Mock 4
Biology
Kingdom Prokaryote

When resources gets scarce, the population growth?

PMC Practice 1
Biology
Man and His Environment
Elimination Tool:

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

NUMS Mock 4
Biology
Chromosomes and DNA

Which of the following is not a basic unit of the cell?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

Semilunar valves are not present:

NUMS 2015
Biology
Transport
Elimination Tool:

All of the following are coelomates except

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:

Skeleton of arms and legs is:

NUMS 2018
Biology
Support and Movement
Elimination Tool:

In electron transport chain, ATP synthesis takes place when electrons move from:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

DNA analysis is done to

Which hormone is chemically a steroid?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

Which one of the following forms the blk of exoskeleton of an arthropod?

How many genes control Rh blood group system?

Visible light used in photosynthesis ranges from:

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

NUMS 2016
Biology
Evolution
Elimination Tool:

Platyhelminthes means:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

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

The end product of glycolysis in anaerobic respiration is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

While working in a laboratory, before studying a sample under the microscope, it was immersed in a dye solution to obtain ______.

NUMS Mock 1
Biology
Biology and its Major Fields of Specialization

The productivity of aquatic ecosystem is determined by:

NUMS 2016
Biology
Man and His Environment
Elimination Tool:

Which statement about enzyme is incorrect:

Crossing over is an exchange of genes between _______ resulting in a mixture of parental characteristics in offspring.

NTS 2019
Biology
Cell Cycle
Elimination Tool:

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?

NUMS Mock 2
Biology
Biological Molecules

Mosses are included in sub-division

Its membranes are the sites where sunlight energy is trapped and where glucose is formed.

Which organelle is this?

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

Trypanosoma is a human parasite causing

UHS 2010
Biology
Kingdom Protista
Elimination Tool:

Transgenic plants are produced when foreign genes are introduced into

The valve between right atrium and right ventricle is called:

NUMS 2014
Biology
Transport
Elimination Tool:

Meristems are group of cells that

The term which is not related to the process of evolution of leaf is:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

The active site of an enzyme:

Guard cells function as:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

60S and 40S subunit combine to form ______ particle

Human cells maintain concentration gradients across their plasma membranes, such that there is a high sodium concentration outside the cell and a high potassium concentration inside the cell.

Suppose that within the cell membrane are sodium leak channels or carrier proteins. These channels would allow sodium to:

NTS 2017
Biology
Biological Molecules
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 of the following are composed of proteins only which contain the information that codes for their own replication?

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

Functional units of lungs are called

Which part of bacteria is most delicate and damage to it can kill the bacteria?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

The only aquatic arthropods:

PMC Sample 1
Biology
Kingdom Animalia
Elimination Tool:

Major coordinating centre for sensory and motor signaling is:

NUMS Mock 3
Biology
Coordination and Control

Which brain portion is responsible for controlling body coordination?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

During feedback inhibition, which of the following structural part of enzyme is involved?

NUMS 2020
Biology
Enzymes
Elimination Tool:

The most common example of members of the kingdom fungi is/are:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

Within the chromosomes, each chromatid contains ______ DNA molecule:

NUMS 2020
Biology
Chromosomes and DNA
Elimination Tool:

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NTS 2012
Biology
Biological Molecules
Elimination Tool:

Choose the correct combination:

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

When inhibitor binds to enzyme other than active site and alters its structure, then it is called:

NUMS 2020
Biology
Enzymes
Elimination Tool:

Gametes in animals are produced by which of the following?

PMC Practice 2
Biology
Cell Cycle
Elimination Tool:

Puccinia commonly destroys

Secretion of pancreatic juice is stimulated by:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

An association between two organisms benefiting both is called

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

Why do Bryophytes and ferns both require water for fertilization?

NUMS 2015
Biology
Kingdom Plantae
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:

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

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

Consider the following statements regarding blood pressure:

1. It is the pressure exerted by the blood on the walls of any vessel.

2. It decreases in the arteries as the distance from the heart increases.

3. It is lower in the capillaries than in the arteries.

4. It is usually lower in women than in men.

Choose the correct statements.

NUMS Mock 3
Biology
Transport

The oxygen-binding protein present in skeletal muscles is:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

Lock and Key Model for enzyme action propose by Emil Fischer suggests that:

NUMS Mock 4
Biology
Enzymes

An enzyme that helps in the conversion of RNA to DNA is called:

NUMS Mock 3
Biology
Chromosomes and DNA

Cn(H2O)n. is a general formula of :

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

NTS 2013
Biology
Growth and Development
Elimination Tool:

Which of the following organelles are present in all the bacteria?

NUMS Mock 1
Biology
Kingdom Prokaryote

An activated enzyme made of polypeptide chain and a cofactor is?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

An X to A ratio of ⅖ in drosophila produces:

NUMS 2020
Biology
Variation and Genetics
Elimination Tool:

Identify the phylum in which the larvae is bilaterally symmetrical but the adult Is radially symmetrical:

NTS 2013
Biology
Kingdom Animalia
Elimination Tool:

Natural selection can amplify or diminish variations that are

The inhibitor which closely resembles the substrate in its molecular structure and inhibits the enzyme activity by binding to the active site of the enzyme is called:

NUMS Mock 4
Biology
Enzymes

Pseudopodia are:

NTS 2016 DUHS & JSMU
Biology
Support and Movement
Elimination Tool:

Which of the following cells does not have nucleus?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

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

Coniferous forests located at high altitude are called

In which of the following growth phases, the number of bacteria increases the most rapidly?

NUMS Mock 4
Biology
Kingdom Protista

Class Elasmobranchi have an outer covering of?

NTS 2015 DUHS and JSMU
Biology
Kingdom Animalia
Elimination Tool:

The nucleoid is found only in certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

Optimum pH for action of pepsin and salivary amylase is

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

Icosahedral viruses have how many faces?

NUMS Mock 4
Biology
Variety of Life

Pathway of energy used by muscles converted from food is:

NUMS Mock 3
Biology
Bioenergetics
Support and Movement

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

NUMS Mock 3
Biology
Chromosomes and DNA

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

Which of the following animal has a hydrostatic skeleton:

The cells which play a very important role in developing immunity are:

PMC 2020
Biology
Transport
Elimination Tool:

Tay Sach’s disease is caused by absence of enzyme required to breakdown ____________.

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

Process of uncontrolled cell division is due to which one of the following reasons?

NUMS 2018
Biology
Cell Cycle
Elimination Tool:

The infection of lungs is called:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

The most important cause of many of the respiratory disorders is:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
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:

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

Amphibians live on:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool: