In the given series starting from D, if every alternate element is deleted, then which of the following element will be second to the left of the element which is 7th from your left?
N P D S A I G L O 4 K W C R N 9 X U Q F J 7 H S T Y 6
can any one tell me the answer and also explain please
Select the INCORRECT statement from the following.
A The body of Hydrilla is covered by mucilage and leaves have no stomata.
B Lotus has plate like leaves with stomata on the upper surface.
C Tape grass has narrow, thin, ribbon like leaves.
D Water plants like tape grass, lotus, etc. are pollinated by water.
answer is wrong
Read the following statements regarding waste-water
treatment plant with one or two blanks. Select the
option that correctly completes any two statements.
(i) ________ process allows settling of sand in the chambers.
(ii) The solid waste called _______settles down and lighter waste called ________ floats on the surface.
(iii) Secondary treatment involves use of_______.
(iv) ________ and ________ are used in tertiary treatment.
A (ii) sluge, scum; (iii) chemicals
B (iii) grit removal; (iv) chlorine, UV rays
C (ii) scum, sludge; (iii) bacteria
D (i) screening; (iv) aerobic, anaerobic bacteria
What is the answer for the fourth statement?
Select the correct option among the following.
A The European stork travels from Europe to Africa every summer.
B Arctic tern travels the longest distance among the migratory birds.
C Whales travel to cold water for reproduction and warmer water for feeding.
D Butterflies have short lifespan thus they do not migrate.
answer this question
Study the given Venn diagram carefully.
Which alphabet represents adult frog?
ok now understood
Select the incorrect statement regarding this.
APlants require nitrogen mainly in the form of nitrate, which is exported from roots to shoots, reconverted to ammonium and assimilated as amino acid.
BRhizobia, cyanobacteria, nitrifying bacteria, symbiotic fungi, etc are used as biofertilizers.
CRhizobium bacteria produce N2 fixing root nodules in leguminous plants and thus help in replenishing nutrients in crop fields.
DMaterials of biological origin which are commonly used to maintain and improve soil fertility are green manures, biofertilizers and bioinsecticides.
Study the given Venn diagram. Which of the motions described by different bodies are most likely to be I, II and III?
|A||Hands of clock||Motion of moon around the earth||The blades of a fan|
|B||Motion of a top||The wheels of a bullock cart||Ball moves around its centre|
|C||To and fro motion of a swing||Hands of a clock||Motion of a top|
|D||Motion of skin of tabla||Child playing in a play ground||A flying bird|
Amit records his karate practice time in this table. How many minutes will Amit practice during week 6 if he continues his pattern?
Minutes of practice
(B) 50 minutes
(C) 65 minutes
(D) 90 minutes