NTS MCQ Quiz Hub

Browse questions and answers for the NTS BIOLOGY CURRENT AFFAIRS SET 1 quiz.

Cassia fistula is the scientific name of

1. amaltas

2. rose

3. onion

4. tomato

✅ Correct Answer: 1

Phage virus consists of head and

1. thorax

2. neck

3. tail

4. none of these

✅ Correct Answer: 3

Bacteria without any flagella are called

1. monotrichous

2. atrichous

3. peritrichous

4. lophotrichous

✅ Correct Answer: 2

Protists have been evolved from

1. animals

2. plants

3. fungi

4. prokaryotes

✅ Correct Answer: 4

Algae differ from plants in that the sex organs in algae are

1. multicellular

2. unicellular

3. acellular

4. none of these

✅ Correct Answer: 2

Fungi can absorb food from the substrate because the have

1. sporangium

2. spores

3. rhizoids

4. stalk

✅ Correct Answer: 3

A seed may be defined as a fertilized

1. egg

2. ovary

3. ovule

4. embryo

✅ Correct Answer: 3

Platyhelminthes means

1. round worms

2. flat worms

3. tape worms

4. pin worms

✅ Correct Answer: 2

The first land vertebrates were

1. dipnoi

2. amphibia

3. reptilia

4. aves

✅ Correct Answer: 2

All life on planet earth is powered by

1. solar energy

2. thermal energy

3. tidal energy

4. kinetic energy

✅ Correct Answer: 1

Recombinant DNA is introduced in to host cell by means of

1. phage

2. vector

3. bacteria

4. enzyme

✅ Correct Answer: 2

In cystic fibrosis, the patient lacks a gene that codes for trans-membarene carrier of

1. sodium ion

2. carbon dioxide

3. chloride ion

4. potassium ion

✅ Correct Answer: 3

Which gene is located on linkage group number 11 in man

1. sickle cell anemia

2. leukemia

3. albinism

4. all of these

✅ Correct Answer: 4

In birds the sex is determined by the type of

1. sperm

2. autosomes

3. egg

4. none of these

✅ Correct Answer: 3

In RNA nucleotides are attached by

1. peptide bonds

2. hydrogen bonds

3. covalent bond

4. phosphodiester bond

✅ Correct Answer: 4

The chromosome is

1. gene

2. genes + protein

3. DNA + genes

4. gene + protein

✅ Correct Answer: 2

The human body contains water

1. 60-80%

2. 70-90%

3. 75-95%

4. 80-90%

✅ Correct Answer: 2

Environment is a source of

1. food

2. shelter

3. clothing

4. all of these

✅ Correct Answer: 4

Fresh water ecosystem covers

1. 2%

2. 1%

3. 3%

4. 5%

✅ Correct Answer: 2

Foul smell in lake is produced by

1. algae

2. bacteria

3. fungi

4. all of these

✅ Correct Answer: 4

Starch is richly present in

1. onion

2. apple

3. cereals

4. tomato

✅ Correct Answer: 3

Plants having foreign DNA are known as

1. genetic plants

2. recombinant plants

3. cultured plants

4. transgenic plants

✅ Correct Answer: 4

Which of the following kinds of atom do not occur in carbohydrates

1. carbon

2. hydrogen

3. nitrogen

4. oxygen

✅ Correct Answer: 3

The basic framework of all types of membranes are

1. lipoproteins

2. glycoproteins

3. proteoglycans

4. nucleoproteins

✅ Correct Answer: 1

Single membrane bounded organelle is

1. nucleus

2. lysosome

3. ribosome

4. none of these

✅ Correct Answer: 2

Irregular grape like cluster of bacilli is called

1. diplo bacilli

2. strepto bacilli

3. staphylo bacilli

4. none of these

✅ Correct Answer: 3

It is generally accepted that plants arose from ancestral

1. green algae

2. fungi

3. bacteria

4. all of these

✅ Correct Answer: 1

Main energy reserves in the case of green algae are

1. glycogen

2. sucrose

3. glucose

4. starch

✅ Correct Answer: 4

The chief component of the cell wall of the majority of fungi is

1. pectin

2. chitin

3. lignin

4. cellulose

✅ Correct Answer: 2

After pollination the pollens are transferred to which part of the flower

1. ovary

2. style

3. stigma

4. none of these

✅ Correct Answer: 3

Glyoxisomes contain enzymes for

1. glyoxylate cycle

2. glycolate cycle

3. Calvin cycle

4. none of these

✅ Correct Answer: 1

Vacuoles serve to

1. expand the plant cells

2. sites for storage

3. both in expansion and storage

4. non-specific function

✅ Correct Answer: 3

An isolated virus is not considered living since it

1. separate into two parts

2. cannot metabolize

3. rapidly looses its genome

4. all of these

✅ Correct Answer: 2

The predominant phycobilin pigment in cyanobacteria which is of blue colour is

1. phycoerythrin

2. phycocyanin

3. fucocyanin

4. fucoxanthin

✅ Correct Answer: 2

Deafness is caused by misuse of

1. penicillin

2. tetracycline

3. paracetamol

4. streptomycin

✅ Correct Answer: 4

Cell envelope does not include

1. capsule

2. slime layer

3. cell wall

4. cell membrane

✅ Correct Answer: 4

Coenocytes is a fungal body which is

1. multi-nucleate aseptate

2. multi-nucleate septate

3. uni-nucleate septate

4. uni-nucleate aseptate

✅ Correct Answer: 1

Bryophytes are

1. all heterosporous

2. all homosporous

3. mostly homosporus

4. none of these

✅ Correct Answer: 2

Nephridia are excretory organs in

1. round worms

2. lizard

3. earth worm

4. planaria

✅ Correct Answer: 3

Which one is harmful mollusc

1. slug

2. snail

3. oyester

4. star fish

✅ Correct Answer: 1

Which structure is involve in gaseous exchange of plants

1. stomata

2. lenticels

3. cuticle

4. all of these

✅ Correct Answer: 4

Common feature of human and insect trachea is

1. non-collapsiable wall

2. supporting rings

3. ectodermal origin

4. endodermal origin

✅ Correct Answer: 1

Vomiting occurs due to

1. constipation

2. diarrhoea

3. antiperistalsis

4. peristalsis

✅ Correct Answer: 3

Photosynthetic prokaryotes lack

1. ribosomes

2. chloroplast

3. cell-membrane

4. vacuole

✅ Correct Answer: 2

Which of the following organ is because of absence of teeth in birds

1. crop

2. syrinx

3. stomach

4. gizzard

✅ Correct Answer: 4

The scientific name of jelly fish is

1. Aurelia

2. Madrepore

3. Actinia

4. Obelia

✅ Correct Answer: 1

In which plants leaves are always in whorls

1. lycopsids

2. psilopsids

3. sphenopsids

4. pteropsids

✅ Correct Answer: 3

In bacterial and viral infection, their is increase in number of

1. platelets

2. RBCs

3. antibodies

4. WBCs

✅ Correct Answer: 4

In plants, which are involved in testa formation

1. tracheids

2. sclereids

3. sclerenchyma

4. none of these

✅ Correct Answer: 2

The etiolated plants lack

1. chlorophyll

2. xanthophyll

3. caroteins

4. none of these

✅ Correct Answer: 1