TLS Online TPP Program

#Question id: 18900


Which statement is correct regarding ratio of half-life of radioactive material to its mean life?

#SCPH28 | Zoology
  1. Will remain constant
  2. Will be always greater than one
  3. Will increase with increase in duration of half life
  4. Will depend on amount of radioactive material
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TLS Online TPP Program

#Question id: 2976

#I Life Science/ Life Sciences Group – I-V

Match the following Regulators with its functions.

Column I

Column II

A.  Wee1 kinase

i. Degradation of phosphorylated Sic1 or p27KIP1

B. Cdc25A phosphatase

ii. Induces degradation of B-type cyclins

C. APC/CCdc20

iii. Activates vertebrate S phase CDKs

D. SCF

iv. Inhibits CDKs

Which of the following is correct?

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#Question id: 27838

#Research Methodology

NISAR Mission is a collaborative project between ISRO and which space agency?

TLS Online TPP Program

#Question id: 10522

#I Life Science/ Life Sciences Group – I-V

Mechanical barriers provide a first line of defence against insect pests and pathogens, these mechanical barriers developed by plants;

                   COLUMN A  

                     COLUMN B

A. Thorns

i) It can be found on the stem and petioles of roses and are formed by the epidermis

B. Spines

ii) Found on a lemon tree (Citrus sp.) are modified branches, as can be seen by their position in the axil of a leaf

C. Prickles

iii) Found on shoot and leaves of tomato (Solanum lycopersicum) are derived from epidermal cells

D. Trichomes

iv) which are characteristic of cacti (Opuntia spp.) in the New World, are modified leaves

Match correctly following combination of barrier developed by plants ;

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#Question id: 17997

#SCPH06 I Botany

In RNA isolation, for protein free solution what will be the ratio at  nm

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#Question id: 3882

#SCPH01 Biochemistry

The reverse transcriptase of an animal RNA virus catalyzes: