Science For You

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Through which tissue of plant is food and other organic substances translocated?
Phloem

Which plant has the distinction of bearing the biggest seed?
Coco demer

With a growth rate of about 5 mm a minute, it is one of the fastest growing organism in the world. It is also known as ‘the lady of the white veil’. Identify it?
Stinkhorn fungus

Adventitious roots are…..
Roots arising in places other than the root system

what are the taproots?
A root system, on which there is one major root with other roots branching of it

A root system composed mainly of branches rather than one of principal root is known as Fibrous root system

Which are the earliest plants of bear seeds?
Gymnosperms

Which are the earliest plants to have a conduction system for conduction of water and food?
Ferns

What is the name of the plant whose berries are used to make gin?
Juniperus

Small plants with soft stem are called
Herbs

Medium-sized plants with woody stems that branch profusely from the base and attain a bushy appearance are called
Shrubs

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Science

A plant that grows in soil with a high concentration of salt, as found in salt marshes, is known as
Halophyte

This large brown seaweed was once an important source of potash, iodine and soda. Name it
Kelp

Plants living perched on other plants but not obtaining water or food from them are called
Epiphytes

Which stain is used for demonstrating lignin?
Phloroglucinol

Which stain is used for demonstrating fungal hyphae and spores?
Aniline blue

In certain plants, the alternating generations of their life-cycle are morphologically identical. What is this condition known as
Isomorphism

The stalk of the flower is called
Pedicel

The female sex organ of the bryophytes, pteridophytes and most gymnosperms is known as
Archegonium

Plant cells thought to be gravity sensitive are known as
Statoliths

An ovary of fruit having separate or distinct carpels known as
Apocarp

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Science

Plants grown in total darkness lack chlorophyll and thus appear white or yellow. What this type of growth known as
Etiolation

Colourless plastids are known as
Leucoplasts

The fruits of which tree contain a sweet, edible dark brown pulp, sometimes called St John's bread ?
Carob

In which group yeasts, cup fungi and edible morels places ?
Ascomycetes

In which group are mushrooms, toadstools, puff balls and bracket fungi places?
Basidiomycetes

Which famous person was so fond of mushrooms that he made illegal for anyone else to eat those growing in the papal states, lest there should be a shortage for his own table?
Clement VII

Which fungi is also known as the kerosene fungus?
Amorphotheca resinae

Truffles are rare delicacies much sought after by chefs all over the world. But it grows underground and have to be smelt out to locate them. Which animal is used to most to smell out truffles?
Pig

Which insect cultivate fungus in their colonies and allow only the queen, king and young ones to eat it?
Termites

The occurrence of two forms among the organisms of the same kind is known as
Dimorphism

Who wrote the book Zoological Philosophy in 1809?
Jean Baptiste Lamarck

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Science

Who first discovered viruses?
Martinus Willem Beijerinck

The term ‘virus’ means
Poison

Bacteriophages are
Virus which infect bacteria

when was the first AIDS case discovered in India?
1986

What is the other name for ‘biotin’?
Vitamin H

Which vitamin is also known as ‘PP Vitamin’?
Niacin

Which vitamin is also known as ‘ Tocoferol’?
Vitamin E

The deficiency of which vitamin causes night blindness ?
Vitamin A

The deficiency of vitamin B2 causes
Angular stomatitis

The deficiency of vitamin B1 causes
Beriberi

The deficiency of which vitamin causes pellagra?
B3

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Science

Who discovered vitamin A?
Elmer Verner Mccollum

Who discovered vitamin D?
Edward Mellanby

Who discovered vitamin C?
Szent Gyorgi

Who discovered vitamin K?
Stefan Ansbacher

Who coined the word ‘vitamin’?
Casimir Funk

Which animal do not need vitamin C ?
Cat

The word ‘protein’ comes from
A Greek word meaning ‘of first importance’

Which was the first enzyme to be prepared from animal tissue?
Pepsin

Where would you normally find the protein Fibroin?
Silk

Which was the first protein hormone ever to be synthesized?
Oxytocin

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Which is the most abundant of all the proteins in the high vertebrates?
Collagen

What is an ‘apoenzyme’?
The protein part of an enzyme

The word ‘chromosome’ is derived from Greek words meaning
Coloured body

What is ‘Pleiotropy’?
The appearance of two or more characters which are controlled by a single gene

A particular branch of genetics has been called ‘bean-bag genetics’. Name it.
Population genetics

What does the term ‘Gene Pool’ mean?
Total number of different kinds of genes pooled by all the members of a population

Which scientist was the first to discovered the cell?
Robert Hooke

In which structure Robert Hooke see the cell?
Cork

A group of cells with similar structure and performing similar functions are called
Tissue

Who first propounded the cell theory?
Theodar Schwann and Matthias Jakob Schleiden

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Power houses of the cells are called
Mitochondria

Phycology is the scientific study of
Algae

Ichthyology is the scientific study of
Fishes

What is the name given to the study of the behaviour of animals in their natural environment?
Ethology

The study of tissues of the body is called
Histology

The study of cell nuclei, especially in reference to their chromosomes is known as
Karyology

The branch of horticulture that deals with the study of fruits and their cultivation is known as
Pomplogy

The study of the patterns of distribution of animals and plants in different parts of the earth is known as
Biogeography

The branch of biology that deals with the formation, structure and function of cell is known as
Cytology

‘Taxonomy’ is the study of
Classification of organisms

The study of insects is known as
Entomology

The classification of organisms by their chemical constituents is known as
Chemotaxonomy