Biological Classification

Match List-I with List-II.

1. A-I, B-III, C-II
2. A-II, B-III, C-I
3. A-II, B-I, C-III
4. A-III, B-II, C-I

Match List I with List II Choose the correct answer from the options given below:

1. A-III, B-II, C-IV, D-I
2. A-I, B-III, C-II, D-IV
3. A-III, B-II, C-I, D-IV
4. A-IV, B-III, C-II, D-I

Which one of the following is not a criterion for classification of fungi?

1. Morphology of mycelium
2. Mode of nutrition
3. Mode of spore formation
4. Fruiting body

Identify the asexual reproductive structure associated with Penicillium :

1. Zoospores
2. Conidia
3. Gemmules
4. Buds

Which of the following statements is correct?

1. Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells
2. Fusion of two cells is called Karyogamy
3. Fusion of protoplasm between two motile or non-motile gametes is called plasmogamy
4. Organisms that depend on living plants are called saprophytes

Which of the following statement is incorrect?

1. Conidia are produced exogenously and ascospores endogenously.
2. Yeasts have filamentous bodies with long thread-like hyphae.
3. Morels and truffles are edible delicacies.
4. Claviceps is a source of many alkaloids and LSD.

Match Column-I with Column –II. Choose the correct answer from the options given below :

1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
3. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

After karyogamy followed by meiosis, spores are produced exogenously in

1. Saccharomyces
2. Neurospora
3. Alternaria
4. Agaricus

One of the major components of cell wall of most fungi is

1. cellulose
2. hemicellulose
3. chitin
4. peptidoglycan.

Which one of the following is wrong for fungi?

1. They are eukaryotic.
2. All fungi possess a purely cellulosic cell wall.
3. They are heterotrophic.
4. They are both unicellular and multicellular.

Which one is a wrong statement?

1. Haploid endosperm is typical feature of Gymnosperms.
2. Brown algae have chlorophyll a and c and fucoxanthin.
3. Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
4. Mucor has biflagellate zoospores.

Choose the wrong statement.

1. Morels and truffles are poisonous mushrooms.
2. Yeast is unicellular and useful in fermentation.
3. Penicillium is multicellular and produces antibiotics.
4. Neurospora is used in the study of bio-chemical genetics.

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to

1. Ascomycetes
2. Phycomycetes
3. Basidiomycetes
4. Deuteromycetes

Which one of the following matches is correct?

1. Mucor – Reproduction by conjugation – Ascomycetes
2. Agaricus – Parasitic fungus – Basidiomycetes
3. Phytophthora – Aseptate mycelium – Basidiomycetes
4. Alternaria – Sexual reproduction absent – Deuteromycetes

Which one of the following fungi contains hallucinogens?

1. Morchella esculenta
2. Neurospora sp.
3. Amanita muscaria
4. Ustilago sp.

Which one of the following is true for fungi?

1. They lack a rigid cell wall.
2. They are heterotrophs.
3. They lack nuclear membrane.
4. They are phagotrophs.

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of

1. Taenia, a tapeworm
2. Wuchereria, a filarial worm
3. Rhizopus, a mould
4. Ascaris, a round worm.

Which one of the following is incorrectly matched?

1. Root pressure – guttation
2. Puccinia – smut
3. Root – exarch protoxylem
4. Cassia – imbricate aestivation

Black (stem) rust of wheat is caused by

1. Alternaria solani
2. Ustilago nuda
3. Puccinia graminis
4. Xanthomonas oryzae

Which one is the wrong pairing for the disease and its causal organism?

1. Black rust of wheat – Puccinia graminis
2. Loose smut of wheat – Ustilago nuda
3. Root knot of vegetables – Meloidogyne sp.
4. Late blight of potato – Alternaria solani

Cellulose is the major component of cell walls of

1. Pseudomonas
2. Saccharomyces
3. Pythium
4. Xanthomonas

Which pair of the following belongs to basidiomycetes?

1. Puffballs and Claviceps
2. Peziza and stinkhorns
3. Morchella and mushrooms
4. Bird's nest fungi and puffballs

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? Choose the answer from the following options.

1. B, C and F only
2. A, C and E only
3. A, D and E only
4. B, D and E only

Which fungal disease spreads by seed and flowers?

1. Loose smut of wheat
2. Corn smut
3. Covered smut of barley
4. Soft rot of potato

Which of the following secretes toxins during storage conditions of crop plants?

1. Aspergillus
2. Penicillium
3. Fusarium
4. Colletotrichum

Adhesive pad of fungi penetrates the host with the help of

1. mechanical pressure and enzymes
2. hooks and suckers
3. softening by enzymes
4. only by mechanical pressure

Black rust of wheat is caused by

1. Puccinia
2. Ustilago
3. Albugo
4. Phytophthora.