Basic Biology Mcqs - Set 26

1)   Length of membranous urethra is about ___________ ?

a. 1 cm
b. 2 cm
c. 5 cm
d. 9 cm
Answer  Explanation 

ANSWER: 1 cm

Explanation:
No explanation is available for this question!


2)   Division of nucleus is termed as___________ ?

a. Karyokinesis
b. Cytokinesis
c. Anaphase
d. Meiosis
Answer  Explanation 

ANSWER: Karyokinesis

Explanation:
Karyokinesis, also known as mitosis, is divided into a series of phases (prophase, prometaphase, metaphase, anaphase, and telophase) that result in the division of the cell nucleus. … The nucleolus disappears and the centrosomes begin to move to opposite poles of the cell.


3)   Membrane that separates ‘cytoplasm’ and ‘nucleus’ is called ___________ ?

a. Cell wall
b. Cell membrane
c. Boundary
d. Nuclear envelop
Answer  Explanation 

ANSWER: Nuclear envelop

Explanation:
No explanation is available for this question!


4)   All chromosomes other than ‘sex’ chromosome are called __________ ?

a. Autosomes
b. Acentric chromosomes
c. Metacentric Chromosomes
d. Telocentric chromosomes
Answer  Explanation 

ANSWER: Autosomes

Explanation:
No explanation is available for this question!


5)   Which one of the following is referred as the species occupation?

a. Autecology
b. Niche
c. Ecosystem
d. Biome
Answer  Explanation 

ANSWER: Niche

Explanation:
No explanation is available for this question!


6)   The first ever vascular plants are_________?

a. Cooksonia
b. Selaginella
c. Adiantum
d. Dryopteris
Answer  Explanation 

ANSWER: Cooksonia

Explanation:
No explanation is available for this question!


7)   Circular disc shaped structure with a round hole is ___________ ?

a. Iris
b. Pupil
c. Horoid coat
d. Ciliary body
Answer  Explanation 

ANSWER: Iris

Explanation:
No explanation is available for this question!


8)   The higher animals have special organs for exchange of gases as their skin is ___________ ?

a. Thin
b. Thick
c. Soft
d. Hard
Answer  Explanation 

ANSWER: Thick

Explanation:
No explanation is available for this question!


9)   Dorsal root of spinal nerves contain only __________ ?

a. Effectors neurons
b. Receptor neurons
c. Stimulators
d. Detector neurons
Answer  Explanation 

ANSWER: Receptor neurons

Explanation:
No explanation is available for this question!


10)   Study of interaction of living organisms with other organisms and their environment relates with ___________ ?

a. Botany
b. Ecology
c. Social biology
d. Pharmacology
Answer  Explanation 

ANSWER: Ecology

Explanation:
No explanation is available for this question!


11)   __________is a condition in which there is an absence of oxygen supply to an organ’s tissues?

a. Anoxia
b. Anorexia
c. Hypoxia
d. Enuresis
Answer  Explanation 

ANSWER: Anoxia

Explanation:
No explanation is available for this question!


12)   Virus is__________?

a. unicellular
b. multicellular
c. acellular
d. none of these
Answer  Explanation 

ANSWER: acellular

Explanation:
Viruses are nor unicellular neither multicellular the are acellular organisms means without cell configuration. Actually they are only made up of nucleic acid and proteins. Viruses are acellular biological entities made up of nucleic acid and proteins. The nucleic acid is either DNA or RNA; both are never found together in a virus. Thus viruses are neither unicellular nor multicellular.


13)   Term the time during which an orgnism is present in the body before causing disease ?

a. Rest period
b. Incubation period
c. Sleeping period
d. Inclubation time
Answer  Explanation 

ANSWER: Incubation period

Explanation:
No explanation is available for this question!


14)   Insects responsible for transmitting diseases are called___________?

a. Drones
b. Vectors
c. Hybirds
d. None of these
Answer  Explanation 

ANSWER: Vectors

Explanation:
No explanation is available for this question!


15)   The first cloned animal was____________?

a. Goat
b. Cow
c. Rat
d. Sheep
Answer  Explanation 

ANSWER: Sheep

Explanation:
Dolly the sheep was first clonned animal

In 1996, Dolly the sheep—the first mammal to have been successfully cloned from an adult cell—is born at the Roslin Institute in Scotland. Originally code-named “6LL3,” the cloned lamb was named after singer and actress Dolly Parton.


16)   Genetic information carriers is/are____________?

a. DNA
b. Chromosomes
c. Gene
d. Nucleus
Answer  Explanation 

ANSWER: Chromosomes

Explanation:
No explanation is available for this question!


17)   The number carpels in our feet is__________?

a. 7
b. 14
c. 16
d. 0
Answer  Explanation 

ANSWER: 0

Explanation:
No explanation is available for this question!


18)   Oxygen is the production of____________?

a. Mitochonderia
b. Chloroplast
c. Peroxisomes
d. Both A & B
Answer  Explanation 

ANSWER: Chloroplast

Explanation:
No explanation is available for this question!


19)   The method of reproduction of new plants by cells instead of seed is known is:___________?

a. Tissue culture
b. Mutation
c. Antibiosis
d. Recombination
Answer  Explanation 

ANSWER: Tissue culture

Explanation:
No explanation is available for this question!


20)   The cardio respiratory capacity is related to____________?

a. Strength
b. Flexibility
c. Normal physical endurance
d. Agility
Answer  Explanation 

ANSWER: Normal physical endurance

Explanation:
No explanation is available for this question!


21)   Ultra Microscopic viruses are the main cause of__________?

a. Malaria
b. Measles
c. Mumps
d. Cholera
Answer  Explanation 

ANSWER: Mumps

Explanation:
No explanation is available for this question!


22)   Which is NOT an example of a microbial symbiosis?

a. bacteria in the human colon
b. tapeworm in the cow intestine
c. bacteria passing through the placenta
d. protozoans found within termites
Answer  Explanation 

ANSWER: bacteria passing through the placenta

Explanation:
No explanation is available for this question!


23)   Which of the following proteins have role in heredity?

a. Chromo-proteins
b. Lipo-proteins
c. Phospho-proteins
d. Nucleo-proteins
Answer  Explanation 

ANSWER: Nucleo-proteins

Explanation:
No explanation is available for this question!


24)   Deficiency of vitamin C will cause:__________?

a. Beri-Beri
b. Architis
c. Scurvy
d. Night-blindness
Answer  Explanation 

ANSWER: Scurvy

Explanation:
No explanation is available for this question!


25)   Coelom is divided into septa in case of:__________?

a. Molluscs
b. Annelids
c. Sponges
d. Cniderians
Answer  Explanation 

ANSWER: Annelids

Explanation:
No explanation is available for this question!


26)   Haemoglobin is dissolved in the blood of:___________?

a. Earthworm
b. Cockroach
c. Hydra
d. Sponges
Answer  Explanation 

ANSWER: Earthworm

Explanation:
No explanation is available for this question!


27)   Like enzymes , co enzyme can be used ?

a. only once
b. only few times
c. again and again
d. non of above
Answer  Explanation 

ANSWER: again and again

Explanation:
No explanation is available for this question!