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A sort of alternation and generation seen in Cnidarians is termed as:
1. Metamorphosis              
2. Epiboly
3. Metagenesis                  
4. Anagenesis

One of the major components of cell wall of most fungi is :
1. Hemicelluloses                                      
2. Chitin
3. Peptidoglycan
4. Cellulose

The fertilization and development is:
1. internal and indirect in Ctenophora
2. internal and indirect in Porifera
3. external and direct in Aschelminthes
4. external and direct in Echinodermata

In case of poriferans, the spongocoel is lined with flagellated cells called :
1. ostia
2. oscula
3. choanocytes
4. mesenchymal cells

Read the following statements (A-E) and answer the question which follows them. 

How many of the above statements are correct?
1. Two 
2. Three
3. Four
4. One

Given below are types of cells present in some animals. Each one is specialized to perform a single specific
function expect
1. Choanocytes
2. Interstitial cells
3. Gastrodermal cells
4. Nematocytes

Mycoplasma are similar to Euglenoids in that both:
1. are obligate aerobes
2. are heterotrophs
3. lack a cell wall
4. cause harmful blooms in water bodies

Identify the incorrect statement regarding Osteichthyes?

Match each item in Column I with one in Column II and select the correct answer from the codes given:

Codes
   A B C
1. a b c
2. b c a
3. b a c
4. a c b

Which of the following are found in extreme saline conditions?
1. Archaebacteria
2. Eubacteria
3. Cyanobacteria
4. Mycobacteria

Isogamous condition with non-flagellated gametes is found in:
1. Spirogyra
2. Volvox
3. Fucus
4. Chlamydomonas

In bryophytes and pteridophytes, transport of male gametes requires:
1. Water
2. Wind
3. Insects
4. Birds

Besides paddy fields, cyanobacteria are also found inside vegetative part of
1. Pinus
2. Cycas
3. Equisetum
4. Psilotum

ICBN stands for:
1. Indian Congress of Biological Names
2. International Code of Botanical Nomenclature
3. Indian Code of Botanical Nomenclature
4. International Congress of Biological Names

Monoecious plant of Chara shows the occurrence of:

Which taxon in plant taxonomy is equivalent to the ‘phylum’ in animal taxonomy?
1. Supraclass
2. Clade
3. Domain
4. Division

Lichens are mutualistic symbiotic relationship between:
1. Roots of vascular plants and fungi
2. Roots of vascular plants and blue green algae
3. Algae and Fungi
4. Cnidarian and zooxanthelle

China rose does not have:
1. Alternate phyllotaxy
2. Superior ovary
3. Imbricate aestivation
4. Monoadelphous stamen

The floral formula  represents
1. Solanumnigrum
2. Hibiscus rosa-sinensis
3. Citrus aurantum
4. Brassica campestris

Match the following

Choose the correct answer from the options given below. 
    (a) (b) (c) (d) 
1. (ii) (iii) (iv) (i)
2. (i) (iv) (iii) (ii)
3. (ii) (iii) (i) (iv)
4. (iv) (i) (iii) (ii)

In Dianthus, placentation is
1. Basal
2. Free central
3. Axile
4. Marginal

Root hairs develop from the region of:
1. Maturation
2. Elongation
3. Root cap
4. Meristematic activity

Epigynous flowers are present in
1. Mustard
2. Brinjal
3. China rose
4. Cucumber

A marine cartilaginous fish that can produce electric current is:
1. Pristis
2. Torpedo
3. Trygon
4. Scoliodon 

In Bougainvillea, thorns are the modification of:
1. Stipules
2. Adventitious root
3. Stem
4. Leaf

Enzymes enhance the rate of reaction by 
1. forming a reactant-product complex
2. changing the equilibrium point of the reaction
3. combining with the product as soon as it is formed
4. lowering the activation energy of the reaction

The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is:
1. cuboidal
2. glandular
3. ciliated
4. squamous

Regeneration of damaged growing grass following grazing is largely due to:

The endomembrane system of a eukaryotic cell does not include:
1. Endoplasmic reticulum
2. Golgi apparatus
3. Lysosome
4. Mitochondria

Lenticels are involved in:
1. Gaseous exchange
2. Food transfer
3. Photosynthesis
4. Transpiration

What is the meristematic tissue that arises within the cortex during secondary growth called?
1. Pith meristem
2. Cortex cambium
3. Cork cambium
4. Vascular cambium

The famous aphorism ‘omnis cellula-e cellula’ was added to the cell theory in 1855 by:
1. Matthias Schleiden
2. Theodor Schwann
3. Rudolph Virchow
4. Robert Brown

Which of the following correctly describes the location of some body parts in the earthworm Pheretima?

Lignin is most likely to be found in the secondary walls of:
1. Parenchyma
2. Collenchyma
3. Sclerenchyma
4. Epidermis

Which of the following would not be true for a typical plant cell?

The shorter and longer arms of submetacentric chromosome are referred to as:
1. m-arm and n-arm respectively
2. s-arm and l-arm respectively
3. p-arm and q-arm respectively
4. q-arm and p-arm respectively

A competitive inhibitor of succinic dehydrogenase is
1. malonate
2. oxaloacetate
3. α-ketoglutarate
4. malate
 

Identify the wrong statement in context of heartwood:
1. Organic compounds are deposited in it
2. It is highly durable
3. It conducts water and minerals efficiently
4. It comprises dead elements with highly lignified walls

Identify the incorrect statement regarding the blood vascular system of Cockroach?
1. It is of open type and blood vessels open into haemocoel
2. The blood, called hemolymph does not have RBCs
3. The 13 chambered heart is located on the dorsal side
4. The blood in cockroach transports respiratory gases

In barley stem, vascular bundles are
1. closed and radial
2. open and scattered
3. closed and scattered
4. open and in a ring

A ‘comma’ shaped bacterium is known as a:
1. Bacillus
2. Coccus
3. Vibrios
4. Spirillum

What is a tonoplast?
1. Outer membrane of mitochondria
2. Inner membrane of chloroplast
3. Membrane boundary of the vacuole of plant cells 
4. Cell membrane of plant cell

Which of the following is not a significance of mitosis?
1. It restores the effective nuclear cytoplasmic ratio of the cell
2. The growth in multicellular organisms
3. It results in daughter cells genetically distinct from parent cell
4. Cell repair

A secondary metabolite and an alkaloid that is used as a powerful analgesic in certain very painful clinical conditions is:
1. Vinblastin
2. Abrin
3. Concanavalin A
4. Morphine

Spindle fibres attach on to:                                                                                                                                
1. Kinetosome of the chromosome
2. Telomere of the chromosome
3. Kinetochore of the chromosome
4. Centromere of the chromosome

The triple helix structure of collagen was discovered by:
1. G. N. Ramachandran
2. Y. S. Subbarao
3. C. V. Raman
4. S. Chandrashekhar

Identify the incorrectly matched pair:

In 'S' phase of the cell cycle:                                                                                                                      
1. amount of DNA doubles in each cell.
2. amount of DNA remains same in each cell.   
3. chromosome number is increased  
4. amount of DNA is reduced  to half in each cell.

Type of bonds that stabilize a tertiary structure
of a protein include all the following except:
1. van der Waal’s interactions
2. Hydrophobic interactions
3. Disulfide linkage
4. Covalent bonds

The molecule shown in the figure given below:

1. is a polymer and a macromolecule
2. is the precursor of steroid hormones
3. is the major constituent of cell membranes
4. is the most common storage fat in human body