Vexillary aestivation is characteristic of the family:
1. Fabaceae
2. Asteraceae
3. Solanaceae
4. Brassicaceae
Select the correct statement from the ones given below with respect to Periplaneta americana.
1. | Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives |
2. | Males bear a pair of short thread-like anal styles |
3. | There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut |
4. | Grinding of food is carried out only by the mouth parts |
1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
3. | it has a long dorsal tubular heart |
4. | fertilization of eggs occurs inside the body |
In unilocular ovary with a single ovule, the placentation is:
1. marginal
2. basal
3. free central
4. axile
1. | Oxygen is transported by hemoglobin in blood |
2. | The nitrogenous excretory product is urea |
3. | The food is ground by mandibles and gizzard |
4. | Malpighian tubules are excretory organs projecting out from the colon |
The correct floral formula of chilli is:
1. | ⊕⚥K5 C5 A5 G(2) | 2. | ⊕⚥K5 C5 A5 G(2) |
3. | ⊕⚥K(5) C(5)A5 G(2) | 4. | ⊕⚥K(5) C5 A5 G(2) |
1. gulmohur
2. tomato
3. datura
4. mustard
1. cucumber
2. cotton
3. guava
4. peach