............ is the interaction in which one species benefits and the other is neither harmed nor benefitted.

• Predation

• Commensalism

• Competition

• Parasitism

........... determines colour, texture, chemical properties, minerals content and permeability of soil.

• Flora & Fauna

• Time

• Climate

• Parent rock

The ......... are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).

• cervix

• uterus

• ovaries

• clitoris

Bryophytes are also called ......... of the plant kingdom.

• mammals

• amphibians

• reptiles

• insecta

Animals belonging to the phylum............. are fundamentally characterized by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

• annelida

• chordata

• arthropoda

• platyhelminthes

........... is any attribute of the organism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.

• Adaptation

• Migration

• Conformation

• Regulation

The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?

• Mulching

• Contourbarriers

• Rockdam

• Terrace farming

Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?

• Species

• Genus

• Kingdom

• Phylum

429.

The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage is the ........... stage.

• agar

• leafy

• chlorella

• Protonema

........... is the largest phylum of Animalia which includes insects.

• Annelida

• Chordata

• Arthropoda

• Platyhelminthes