Antheridia and archegonia are born on_____in bryophytes.

1. 1. Gametophyte
   2. Sporophyte
   3. Both of these
   4. All of these

Cotton, wool, silk are examples of_____.

1. 1. Natural Fibres
   2. Synthetic Fibres
   3. Plant Fibres
   4. Animal Fibres

Fishes, most of the invertebrates and amphibians are examples of _____animals?

1. 1. Homeotherms
   2. Endotherms
   3. Ectotherms
   4. Heterotherms

In which of the following pigments major energy reserves and cell wall are like plants?

1. 1. Chrysophyta
   2. Rhodophyta
   3. Chlorophyta
   4. Phaeophyta

Febries are _____ kind of cells.

1. 1. Parenchymatous
   2. Chloroplast
   3. Sclerenchymatous
   4. None of the above

Which one of the following is correct sequence of stages of prophase 1 of meiosis?

1. 1. Diakinesis diplotene pachytene leptotene zygotene
   2. Leptotene zygotene pachytene diplotene diakinesis
   3. Pachytene leptotene diplotene zygotene diakinesis
   4. Zygotene leptotene pachytene diplotene diakinesis

All the animals of the grade radiata are _____.

1. 1. Triploblastic
   2. Diploblastic
   3. Unicellular
   4. All of these

In plants, the neighbouring cells are connected with one another by_____.

1. 1. Vacuoles
   2. Plasmodesmata
   3. Cell walls
   4. Both (b) and (c)

Which one of the following is an example of non-elastic connective tissue?

1. 1. Ligaments
   2. Muscles
   3. Tendon
   4. None of these

The branches of biology and medicine concerned with the structure and function of plant and animal cells is called_____.

1. 1. Nephrology
   2. Cytology
   3. Orology
   4. Semiology