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Percent cover or Biomass is a more meaningful measure of population size with respect to this plant


TCT is secreted during


Select the wrongly matched pair


Statement I : Male honeybees do not have father and cannot have sons.
Statement II: In haplo-diploidy sex determination method of honeybees, male and female organisms are diploid, their gametes are haploid and their zygotes are diploid


In hydrarch successon floating stage is followed by


Diaphragms are contraceptive devices used by the females. Choose the correct option from the statements given below:-
a) They are introduced into the uterus
b) They are placed to cover the cervical region
c) They act as physical barrier for sperm entry
d) They mainly function as spermicidal agents
The correct options are:-


Select the correct match w.r.t. function of cell organelles

Column IColumn II
a. Protein synthesisi) Glyoxy somes
b. Gluconeogenesisii) Cytoskeleton
c. RubisCO activityiii) Palade particles
d. Maintenance of shape of celliv) Chloroplast

pBR322 has/have which of the following selection marker(s)


The major threat to biodiversity hot spots is


Archaebacteria present in the gut of several ruminants


Observe the pedigree chart given below

What is the genotype of II(3):-


Which one is not required in success of kidney transplantation?


Choose the correct one


In the human female, menstruation can be deferred by the administration of


Which of the following statement is incorrect?


In C4 plants, C3 cycle/Calvin cycle occur in bundle sheath cells because


Immigration may contribute more significantly to population growth than birth rates if


Read the following statements and choose the correct option
A) Drupe of coconut has a fibrous mesocarp.
B) Indigofera is a dye yielding plant of Fabaceae.


Endothermic amniote among these


Which points are not correct about angiotensin-II?
A) Decreases the glomerular blood pressure
B) Activates the adrenal cortex to release aldosterone
C) Powerful vasoconstrictor
D) Decreases the GFR and decreases the blood volume
E) Activates the J.G. cells to release rennin


The nerve cord of cockroach is


The pyramid obtained w.r.t. energy flow in the Tree ecosystem comprising Tree → Insects → Small birds → large birds is.


Microbial bio control agent that can be introduced in order to control butterfly caterpillars is


Choose the incorrect statement for given diagram


Choose the incorrect one


Triploblastic, Bilaterally symmetrical, Schizocoelomate, unsegmented animals are


The core of eukaryotic flagellum is


These are related to carbohydrate metabolism
A) Gluconeogenesis B) Glycogenolysis C) Reduced glucose uptake by the cells
D) Glycogenesis E) Enhanced uptake of glucose by cells F) Enhanced glucose utilization by cells

Choose which events occur due to the action of Glucagon


Avena curvature test is suitable bio assay test for


A decrease in lichen population of an area is indicative of


Delivery of developed foetus is scientifically called as


Which of the following hormone causes fruits of apple to elongate and improve its shape


Find odd one out with respect to life cycle pattern


Match the items given in Column A and Column B

Column AColumn B
1) Catalytic convertera) Solid waste
2) Electrostatic precipitatorb) High noise level
3) Earmuffsc) Particulate matter
4) Land fillsd) Carbon monoxide & Nitrogen oxide

F1(heterozygous organism) does not resemble a single parent in which of the following characters


Similar habitat that has resulted in selection of similar adaptive features in different groups of organism but toward the same function, is valid for:-


At which stage of meiosis do these events occur:-

Bivalents more clearly visibleFormation of synaptonemal complexTerminalisation of chiasmata

In which of the following fungi fruiting bodies act as site of reduction division leading to formation of endogenous haploid sexual spores.


In the given four statements (A-D), select the options which includes all the correct ones:-
A) LNG-20 makes uterus unsuitable for implantation.
B) Rete testis, testis, epididymis are male accessory ducts.
C) Placenta is formed only by maternal tissues.
D) By the end of second month of pregnancy foetus develops limbs and digits.


Necrosis or death of tissue, particularly leaf tissue is due to the difeciency of


Match the Columns (w.r.t pollengrain)

Column IColumn II
(a) Vegetative cell(i) Abundant reserve food and irregular nucleus
(b) Germ pore(ii) Spindle shaped with dense cytoplasm
(c) Exine(iii) Where the sporopollenin is absent
(iv) Variable patterns of designs
(v) Continuous layer made of cellulose and pectin.

Statement I : Highly intensified secondary response is not elicited for passive immunity.
Statement II : Preformed antibodies are given during passive immunisation.


Select odd one our w.r.t hydrophily


How many of the following plants have didelphous and epiphyllous condition respectively


Find the correct statement w.r.t secondary succession


During aerobic respiration all of these occur in the conversion of pyruvic acid into acetyl CoA except


Menstrual cycle become irregular and simple Goitre are due to


Identify the given figure as well as alphabetically marked structures.


At the point of fusion of ilium, ischium and pubis, a cavity is formed, which is known as:-


In Lac operon-


The ecological relationship between Barnacle and whale is same as that


Read the following statements w.r.t nutrient cycling and choose the correct option
i) The oceanic reservoir of carbon regulates the amount of CO2 in atmosphere.
ii) In phosphorous cycle atmospheric inputs through rainfall is very high.
iii) 4 x 1013kg of carbon is fixed annually by photosynthesis.


The second most abundant formed element in human blood


The technique of growing plants in a nutrient solution, in complete absence of soil is called


Select the odd one out w.r.t DNA replication


When faeces are retained with in the rectum as bowel movement occur irregularly, it is called:-


How many of the given statements are concerned with respect to vascular cryptogams of the plant kingdom
i) PEN formation
ii) Free living gametophyte
iii) Presence of mostly heterosporous genera
iv) Flagellated male gametes
v) Macrophylls as in Selaginella


Solanum, Triticum and Panthera


Dihybrid test cross ratio with 87.5% parental types and 12.5% recombinant types show that genes have


Yeast poison themselves to death when the concentration of alcohol reaches about


The figures below show 3 phases of mitosis. Select the option giving correct identification together with the correct event


Transcription and Translation are coupled with each other in


Axillary buds develop into slender and spirally coiled structure and help plants to climb as in:-


Which of the following is common in Chelone, Calotes, Naja and Bungarus?


Elution is the technique of


High aspartic acid, low nitrogen and sugar content in maize leads to resistance in maize against


Electron transport system (ETS) consisting of cytochromes in plants occurs in


Study the Diagram and choose the option which includes all the incorrect ones:-


The central body cavity of poriferans is called-


Which is the incorrect statement for areolar connective tissue?


How many sperms are formed by one primary spematocyte?


In mammalian ear, a membranous structure which separate the scala media and scala tympani is:-


Find out the correct set of secondary metabolites which are toxins


Which one of the following statements is true regarding digestion of food in human?


In a medico-legal case of accidental interchange between two babies in a hospital, the baby of blood group ‘A’ could not be rightly given to a couple:-


Vascular, cambium is completely secondary in origin


Read the following (A-D) statements:-
A) Connective tissues are most abundant and widely distributed in the body of complex organism.
B) Connective tissue helps in linking and supporting other tissue or organs in the body.
C) Cartilage is a type of dense connective tissue.
D) Connective tissue does not secrete its matrix.
Choose the correct statements is:


Which of the following are membrane bound space found in the cytoplasm


Sporophyte is multicellular and not free living in


Which one of the following characteristic is common both in humans and adult frogs?


Find out correct match from the following table

Column IColumn IIColumn III
i) ApoplastNon living pathwayPlasmodesmata
ii) SymplastLiving pathwayCell membrane
iii) XylemWater and mineralsUndirectional movement

Which of the following factors favour the formation of oxyhaemoglobin in lungs?


Lamark’s view about organic evolution is based on


In r-DNA technology after restriction digestion the DNA fragments can be prevented from self ligation by treating with


Homology is exhibited by


In the following statements choose wrong options:-
a) Wasp laying egg in fig fruit is an example of mutual relationship.
b) Mycorrhiza is an example of ectoparasitism
c) Physiological ecology is ecology at organisms level
d) Competitive exclusion principle was given by Connell


If a mulatto man (AaBb) is married to a white woman (aabb) find the possible phenotypic ratio in their progeny . [w.r.t. skin colour in humans]


The karyotype of human ovum is n+1 due to non disjunction of 21st pair of chromosomes. If, it is fertilized by a normal sperm with ‘y’ chromosome, it develops into


α – 1 antitrypsin, synthesized by genetic engineering is used to treat :-


Which of the following essential elements of plants is needed in amount less than 10mmole kg-1 of dry matter?


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