35060.A radio active element "X" with a halflife of 2 hours decay giving a stable element"Y". After a time of "t" hours the ratio of atoms is 1:7 then, the value of
4 hours
6 hours
5 hours
14 hours
35062.The compounds formed when hydrogen combines with p-block elements are called
Ionic hydrides
Molecular hydrides
Metallic hydrides
Polynuclear hydrides
35064.Among the following salts, which is a salt of weak acid and strong base
NH4Cl
CH3COONH4
NaCN
NaCl
35068.The root nodules of Casuarina which are capable of symbiotic nitrogen fixation contain themicrobe
Rhizobium
Frankia
Anabaena
Azotobacter
35070.Which cytoplasmic organelle is associated with acrosome formation in the spermatozoa of animals?
Lysosome
Chloroplast
Golgi complex
Chromosome
35074.A feature common to nucleus, chloroplast and mitochondria is the presence of
Lamella
Cristae
Nucleic acid
Nucleolus
35078.Metabolically inactive cell inclusions remaining in the cytoplasm is called
Reserve materials
Ergastic substances
Secretory substances
Crystals
35082.Which one of the following is NOT correctly matched?
| List I | List II |
|---|---|
| Hormone | Secreted by |
| I. Testosterome | -Interstitial cells |
| II. Prolactin | - Adrenal medulla |
| III. Estrogen | -Ovary |
| IV. Progesterone | -Corpus luteum |
I only
II only
III and II
IV only
35084.The human population is currently exhibiting
logistic growth
exponential growth
arithmetic growth
zero growth
35086.The antibiotic that prevents cell wall synthesis in bacteria is
Rifampicin
Streptomycin
Penicillin
Anthracyclin
35088.Point out the correct statement in the following:
Indus people Worshiped Lord Indra
Indus civilization was a rural civilization
Iron was unknown to the Indus people
The "Great bath" was located at Harappa
35090.Name the social reformer who supported Dr. Muthulakshmi Reddy for the abolition of Devadasi system
E.V. Ramasamy Naicker
T.M. Nair
C.N. Anna Durai
Natesa Mudaliar
35092.Which one of the following European war was associated with Third Carnatic War?
The Seven Years War
The War of Austrian Succession
The War of Roses
The Austro-Prussian War
35096.Which of the following is incorrectly paired?
Mir Bakhshi - Military advisor
Muhtasib - Censor of public morals
Kotwal - Revenue collector
Qazi-ul-Quzat - Judicial officer
35098.Match List I with List II and select the correct answer using the code given below the lists:
| List II | List II |
|---|---|
| (a) Kalibangan | 1. Gulf of Cambay |
| (b) Surkotada | 2. Madurai |
| (c) Lothal | 3. Rajasthan |
| (d) Khizhadi | 4. Gujarat |
4 3 l 2
3 4 1 2
1 3 2 4
2 1 3 4