Back to AI Flashcard MakerBiology /Biology NEET - Random Flashcards Part 1

Biology NEET - Random Flashcards Part 1

Biology100 CardsCreated 2 months ago

This flashcard set offers quick biology revision, covering topics like molecular biology and biotechnology. It includes concise Q&A pairs such as tRNA structure and the year genetically engineered insulin was first made.

CCA base sequence is present in which part of t-RNA?

3’ end

Tap or swipe ↕ to flip
Swipe ←→Navigate
1/100

Key Terms

Term
Definition

CCA base sequence is present in which part of t-RNA?

3’ end

In which year was genetically engineered insulin first made?

1983

Are natural killer cells granular or agranular?

Granular

Phase of maturation in spermatogenesis involves the

Formation of spermatids from primary spermatocytes

The stop codons are

UAG, UAA, and UGA

Buttress roots arise from

Base of tap root and trunk

Study Tips

  • Press F to enter focus mode for distraction-free studying
  • Review cards regularly to improve retention
  • Try to recall the answer before flipping the card
  • Share this deck with friends to study together
TermDefinition

CCA base sequence is present in which part of t-RNA?

3’ end

In which year was genetically engineered insulin first made?

1983

Are natural killer cells granular or agranular?

Granular

Phase of maturation in spermatogenesis involves the

Formation of spermatids from primary spermatocytes

The stop codons are

UAG, UAA, and UGA

Buttress roots arise from

Base of tap root and trunk

What are the functions of membranous labyrinth?

Hearing and balance

What kind of nucellus is found in polypetalae?

Well-developed

How many tegments are found in polypetalae?

2

Enzyme TPA (tissue plasminogen activator) is used to

Dissolves blood clots

Estuary is the

Meeting point of fresh water and sea water

Which is one of the most poisonous product formed by the burning of chlorine containing waste?

Dioxin

Placental wolf and tasmanian wolf are examples of

Analogy

The most important function of K+ ion in plants in

Acts as an enzyme for many physiological processes

In which cell of C4 plants does the primary fixation of co2 occur?

Mesophyll cell

Hypogeal germination is found in rice, true or false?

False

Hypogeal germination is found in onion, true or false?

True

Petunia has valvate aestivation, true or false?

True

What type of phyllotaxy is found in Psidium?

Opposite phyllotaxy [Psidium= guava]

In bryophytes, operculum develops from

Archegonium

Mala-D is a weekly oral contraceptive pill, true or false?

False. Mala-D is a daily oral contraceptive pill.

Name a monthly oral contraceptive pill.

Quinestrol

Which mouth parts are present to the lateral side of the pre-oral cavity of cockroach?

Mandibles and 1st maxilla

A fruit that dehiscences from apex to base and is derived from monocarpellary ovary with marginal placentation is

Legume

Water cavity is absent in the stems of which plants?

Dicots

Water cavity is present in the stems of which plants?

Monocots

Can fehling solution detect starch?

No

If testa is removed from water soaked gram seed, the remaining structre is

Fully mature embryo

Cosmid is a vector for carrying large DNA fragments into host cells. True or false?

True

Interferon is an enzyme that interferes with DNA replication. True/false?

False

Study of the effect of global warming on human population comes under

Population ecology or autecology

Coniferous forests are evergreen forests. True/false?

True

Tundra has permafrost. True/false?

True

Acacia trees are found in savannahs. True/false?

True

Scrubbers and electrostatic precipitators are generally used for removal of

Particulate matter

What type of circulatory system does Balanogolossuses have?

Closed type

Balanoglossus have a short trunk. True/false?

False. They have a long trunk.

Peritubular capillaries of the nephron arise from the

Efferent arterioles

What are the changes in ciliary muscle and eye lens when nearby objects are viewed?

When nearby objects are viewed, ciliary muscles contract making the lens more convex, thus decreasing its focal length. The lens thickens.

What are the changes in ciliary muscle and eye lens when distant objects are viewed?

When far objects are viewed, ciliary muscles relax making the lens less convex thus increasing the focal length.

A trisomic aneuploidy patient having double barr body and problem in menstrual cycle has a genetic problem called

Multi X female (super female)

(a) It is not a congenital disease.

(b) Spreads due to conscious behaviour.

(c) Loss of contact inhibition.

(d) "Don't die of ignorance" is said in reference to it.

(e) Metastasis

How many of above statements are not correct regarding AIDS?

Two

| c and d

During evolution, the first living beings were like actinomycetes. True/false?

False. They were like bacteria.

Milk formation and secretion is the function of a hormone secreted by adenohypophysis. True/false?

true

Increase in calcium levels of body is the function of a hormone secreted by adenohypophysis. True/false?

False

What is phenetic classification? What are the other names for phentic classification?

Phenetic classification is the classification of organisms based on morphology. It is also known as taxometrics and numerical taxonomy.

In which kingdom only heterotrophic, holozoic and saprophytic modes of nutrition found?

Kingdom animalia

Capsella belongs to which family of plants?

Brassicaceae

What condition of stamens are found in Capsella?

Tetradynamous

Tetradynamous condition of stamen is found in family cucurbitaceae. True/false.

False

In conjoint vascular bundles, xylem surrounds phloem. True/false?

False.

In conjoint vascular bundles which the two types of tissues are separated from one another.

In collateral vascular bundles, xylem surrounds phloem or vice versa.

Towards which surface is the xylem located in leaf?

Adaxial epidermis

Active K+ exchange mechanism for stomatal movement was given by

Levitt

Polymerase chain reaction requires thermostable DNA polymerase, DNA ligase and primase. True/false?

False.

| PCR only requires thermostable DNA polymerase of the three.

What is the ratio of HNO3 and H2SO4 in acid rain composition?

3:7

A lake near a village suffered heavy mortality of fish within a span of a few days. The possible reasons are

(a) Lot of urea and phosphate fertilizers were used in nearby crops.

(b) The area was sprayed with DDT by an aircraft.

(c) Lake water turned green and stinky.

(d) Phytoplankton population declined reducing photosynthesis.

a,c

What type of vision is found in cockroach?

Apposition or mosaic vision

What is supination?

Palm facing upwards

What is pronation?

Palm facing downwards

Humans can show supination and pronation of palm with the help of

Pivot joint

At postsynaptic membrane the new potential developed is called action potential. True/false?

False. It is called postsynaptic potential.

Filling of urinary bladder is associated which autonomous nervous system?

Sympathetic nervous system

Is increase in salivation a function of sympathetic nervous system?

No

In Ascaris, genital duct and digestive duct join to form cloaca. True/false?

True

In earthworm, genital duct and digestive duct join to form cloaca. True/false?

False

In Taenia, genital duct and digestive duct join to form cloaca. True/false?

False

In Locust, genital duct and digestive duct join to form cloaca. True/false?

False

In which part of bacteria are respiratory enzymes found?

Cell membrane

Phanerogams are seeded plants, true or false?

True

Which sugar is found in the haemolymph of insects?

Trehalose

Glutamate dehydrogenase is an important enzyme involved in

Amino acid biosynthesis

During an experiment, vegetative nucleus was destroyed inside the pollen tube. Immediately afterwards it was observed that the growth of pollen tube was stopped and pollen tube could not reach up to ovule, because

Growth of pollen tube is controlled by vegetative nucleus

HindIII produces blunt ends. True/false?

False

EcoRV produces blunt ends. True/false?

True

Sonneratia trees are found in which forests?

Mangrove forests

| [Sonneratia= sunderbans]

In which biomes are Dipterocarpus (shorea trees) found?

Deciduous forests

In which biomes are Tendu trees found?

Deciduous forests

In which biomes are Hopea trees found?

Deciduous forests

File like rasping organ is absent in which mollusc?

Loligo

Their function is to move particles or molluscs in specific direction over the epithelium. They are mainly present in inner surfaces of hollow organs. Identify the cells in above mentioned sentence.

Cuboidal ciliated epithelium

If due to some injury, the chordae tendineae of the tricuspid valve of the human heart become non-functional, what will be the immediate effect?

The flow of blood into the pulmonary artery will be reduced.

What is the function of duct of bellini?

Conduction of urine

Aperture of an eye can be changed by

Iris

Which organism was the common ancestor of birds and crocodile?

Thecodontia

Agranal chloroplast are found in which cells?

Bundle sheath cells of monocot

Glucose is absorbed in body through which process?

Active transport, simple diffusion and facilitated diffusion

Osmosis involves diffusion of water from its more to less concentrated side. True/false.

True

Intrafascicular cambium is secondary in origin. True/false?

False. It is primary in origin as it originated from embryonic meristems.

Which is the msot abundant type of configuration of proteins?

Tertiary protein

Global agreement in specific control strategies to reduce the release of ozone depleting substances was adopted by which protocol?

Montreal protocol

Global agreement in specific control strategies to reduce the release of greenhouse gases was adopted by which protocol?

Kyoto protocol

Gills in apple snail are found in which part of the body?

Mantle cavity

Which type of regeneration is found in planaria?

Morphallaxis

What is morphallaxis?

In Morphallaxis, any cut part of the organism regenerates into whole organism.

What is epimorphosis?

In Epimorphosis, the cut or injured part of the organism is repaired. The cut part is regenerated.

Sphenodon is the scientific name of

Tuatara

Reptiles have mesonephric kidneys, true or false?

False

| Reptiles have metanephric kidneys.

What is the ploidy of zygospore?

Diploid

Phycomycetes show all types of syngamy. True/false?

True

If a recombinant DNA bearing gene for ampicillin is transferred into E.coli cells and the host cells are transferred to ampicillin containing medium, the transformant grows but untransformed host dies. True/False?

True